Korean Last Name Generator
Real Korean surnames with hangul, hanja and clan seats
Generate authentic Korean last names, from Kim, Lee and Park to rare surnames like Gwok and two-syllable names like Namgung and Hwangbo. Every entry shows the hangul, the hanja character and its meaning, plus the major bon-gwan clans (Gimhae Kim, Jeonju Lee, Miryang Park) and the romanizations you will see in the real world.
About Korean last names
Korea has one of the smallest surname pools in the world: only about 280 traditional family names are in use, and just three of them, Kim (김, 金), Lee (이, 李) and Park (박, 朴), cover roughly 45 percent of South Koreans. The top ten cover two-thirds of the country. Almost every surname is a single syllable written with one hanja character whose meaning is unrelated to the family (Kim is 'gold', Lee is 'plum tree', Choi is 'lofty mountain'), and a handful of two-syllable surnames such as Namgung, Hwangbo, Sunwoo, Dokgo and Jegal survive from ancient Chinese compound names.
Because so many people share a surname, Koreans also identify by bon-gwan, the ancestral seat of their clan: Gimhae Kim and Gyeongju Kim are separate lineages, Jeonju Lee is the Joseon royal house, Miryang Park is the largest Park clan and Papyeong Yoon produced several queens. The same hangul can also hide different hanja: Shin can be 申, 辛 or 愼, and Jeon can be 全, 田 or 錢.
Romanization is the final wrinkle. The official Revised Romanization gives Gim, I and Bak, but almost everyone writes Kim, Lee and Park, while Jung is also Jeong, Chung or Chong, and North Korea spells Lee as Ri. Entries below give hangul, hanja and meaning, with clan seats and spelling variants marked.
How to choose Korean last names
- Weight your cast toward the common surnames. In a realistic Korean story roughly one character in five should be a Kim and one in seven a Lee; give a rare surname like Gwok, Sobong or Dokgo only to a character who is meant to stand out.
- Put the surname first in Korean contexts (Kim Seo-yeon) and last in Western contexts (Seo-yeon Kim), and never hyphenate or pluralize it. Address characters by full name or by surname plus title (Kim seonsaengnim), not by surname alone.
- Pick one romanization scheme for the whole cast. Lee, Yi and Rhee are the same name; if a family is split between Jung and Jeong readers will assume they are unrelated.
- Use bon-gwan for depth, not for every character. Mentioning that a character is Andong Kim or Pungyang Cho signals aristocratic Joseon roots, and people of the same clan traditionally could not marry, which is a ready-made plot obstacle for historical fiction.
- Check that the hanja matches the story you want. The Silla royal Seok clan writes Seok as 昔 (ancient), not 石 (stone), and the Tamna kings of Jeju are Jeju Ko, Jeju Yang and Jeju Bu.
Frequently asked questions
What are the most common Korean last names?
Kim is carried by about 21 percent of South Koreans, Lee by about 15 percent and Park by about 8 percent. The rest of the top ten are Choi, Jung (Jeong), Kang, Cho (Jo), Yoon, Jang and Lim (Im). Together the top ten cover about two-thirds of the population, which is why Koreans rarely address one another by surname alone.
What are some rare Korean last names?
Two-syllable surnames such as Namgung, Hwangbo, Sunwoo, Dokgo, Sagong, Seomun and Jegal are rare and memorable. Rarer still are single-syllable names like Gwok (궉), Eogeum, Sobong, Bing (ice), Ya (night), Muk (ink) and Dae, the name of the old Balhae royal house. Several of these are carried by only a few hundred people in the entire country.
Why is Lee sometimes spelled Yi, Rhee or Ri?
The surname is written 이 in hangul and pronounced close to 'ee'. Lee became the standard English spelling in the 20th century, Yi is used by academics and for historical figures such as Yi Sun-sin, Rhee was favored by some early emigrants, the official Revised Romanization gives I, and North Korea keeps the original initial consonant and writes Ri.
What is a bon-gwan and why does it matter?
Bon-gwan is the town a clan traces its founder to, such as Gimhae for the largest Kim clan or Jeonju for the royal Lee clan. It distinguishes unrelated families who share a surname. Until 2005 two people with the same surname and bon-gwan could not legally marry, and many Koreans still know their clan and generation name, so it adds authenticity to historical or family-focused fiction.
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All 500 Korean last names
A: 8 names
- Ae (애, 艾 mugwort)
- Ah (아, 阿 hill; prefix of endearment)
- Ahn (안, 安 peace, tranquility)
- Aju Shin (아주 신씨, clan seated at Aju)
- An (안, 安 – Revised Romanization of Ahn)
- Andong Jang (안동 장씨, clan seated at Andong)
- Andong Kim (안동 김씨, powerful Joseon clan)
- Andong Kwon (안동 권씨, dominant Kwon clan)
B: 30 names
- Bae (배, 裵 long flowing robe)
- Baecheon Cho (배천 조씨, clan seated at Baecheon)
- Baek (백, 白 white)
- Bak (박, 朴 – Revised Romanization of Park)
- Ban (반, 潘 water for washing rice)
- Ban (반, 班 rank, class)
- Bang (방, 房 room, house)
- Bang (방, 方 square, direction)
- Bang (방, 邦 country)
- Bang (방, 龐 huge, disordered)
- Bannam Park (반남 박씨, clan seated at Bannam)
- Beom (범, 凡 ordinary)
- Beom (범, 范 bee; ancient state of Fan)
- Bi (비, 丕 great)
- Bin (빈, 賓 guest)
B, continued
- Bing (빙, 氷 ice)
- Bok (복, 卜 divination)
- Bong (봉, 奉 to offer respectfully)
- Bong (봉, 鳳 phoenix)
- Bonghwa Jung (봉화 정씨, clan seated at Bonghwa)
- Boseong Oh (보성 오씨, clan seated at Boseong)
- Boseong Seon (보성 선씨, the main Seon clan)
- Bu (부, 夫 husband, man)
- Buan Lim (부안 임씨, clan seated at Buan)
- Bunseong Bae (분성 배씨, clan seated at Gimhae)
- Buyeo Hong (부여 홍씨, clan seated at Buyeo)
- Buyeo Seo (부여 서씨, descended from Baekje royalty)
- Byeon (변, 卞 – Revised Romanization of Byun)
- Byun (변, 卞 law, impatient)
- Byun (변, 邊 edge, border)
C: 36 names
- Cha (차, 車 chariot, cart)
- Chae (채, 蔡 ancient state of Cai)
- Chae (채, 采 to pick, gather)
- Chang (장, 張 – older English spelling of Jang)
- Chang (창, 昌 prosperous)
- Changnyeong Cho (창녕 조씨, clan seated at Changnyeong)
- Changnyeong Sung (창녕 성씨, the main Sung clan)
- Changwon Hwang (창원 황씨, largest Hwang clan)
- Changwon Koo (창원 구씨, clan seated at Changwon)
- Chegal (제갈, 諸葛 – McCune-Reischauer spelling of Jegal)
- Cheon (천, 千 thousand)
- Cheonan Jeon (천안 전씨, clan seated at Cheonan)
C, continued
- Cheongju Han (청주 한씨, largest Han clan)
- Cheongju Jung (청주 정씨, clan seated at Cheongju)
- Cheongju Kwak (청주 곽씨, clan seated at Cheongju)
- Cheongju Song (청주 송씨, clan seated at Cheongju)
- Cheongju Yang (청주 양씨, clan writing Yang as 楊)
- Cheongpung Kim (청풍 김씨, clan seated at Cheongpung)
- Cheongsong Shim (청송 심씨, largest Shim clan)
- Chilwon Yoon (칠원 윤씨, clan seated at Chilwon)
- Chin (진, 陳 – McCune-Reischauer spelling of Jin)
- Cho (조, 曺 ancient state of Cao)
- Cho (조, 趙 ancient state of Zhao)
- Cho (초, 楚 ancient state of Chu)
C, continued
- Choe (최, 崔 – Revised Romanization of Choi)
- Chogye Byun (초계 변씨, largest Byun clan)
- Chogye Jung (초계 정씨, clan seated at Chogye)
- Choi (최, 崔 lofty mountain)
- Chu (추, 秋 autumn)
- Chu (추, 鄒 ancient state of Zou)
- Chugye Chu (추계 추씨, the main Chu clan)
- Chun (전, 全 – older English spelling of Jeon)
- Chung (정, 鄭 – common English spelling of Jung)
- Chungju Ji (충주 지씨, the main Ji clan)
- Chungju Park (충주 박씨, clan seated at Chungju)
- Chungju Seok (충주 석씨, largest Seok clan)
D: 19 names
- Dae (대, 大 great; Balhae royal clan)
- Daegu Seo (대구 서씨, clan seated at Daegu)
- Daeheung Baek (대흥 백씨, clan seated at Daeheung)
- Dalseong Bae (달성 배씨, clan seated at Dalseong)
- Dalseong Seo (달성 서씨, largest Seo clan)
- Dam (담, 譚 to discuss)
- Damyang Jeon (담양 전씨, clan writing Jeon as 田)
- Dan (단, 段 section, step)
- Danyang Woo (단양 우씨, the main Woo clan)
D, continued
- Deoksu Jang (덕수 장씨, clan of Uighur origin)
- Deoksu Lee (덕수 이씨, clan of Admiral Yi Sun-sin)
- Do (도, 都 capital city)
- Do (도, 陶 pottery)
- Dokgo (독고, 獨孤 solitary)
- Dong (동, 董 to supervise)
- Dongbang (동방, 東方 the east)
- Dongbok Oh (동복 오씨, clan seated at Dongbok)
- Dongnae Jung (동래 정씨, clan seated at Dongnae)
- Du (두, 杜 birchleaf pear)
E: 6 names
- Eo (어, 魚 fish)
- Eogeum (어금, 魚金 fish and gold)
- Eom (엄, 嚴 – Revised Romanization of Um)
- Eum (음, 陰 shade, yin)
- Eun (은, 殷 the Yin dynasty; abundant)
- Eunjin Song (은진 송씨, clan of scholar Song Si-yeol)
G: 55 names
- Ga (가, 賈 merchant)
- Gaeseong Ko (개성 고씨, clan seated at Gaeseong)
- Gal (갈, 葛 kudzu vine)
- Gam (감, 甘 sweet)
- Gamcheon Moon (감천 문씨, clan seated at Gamcheon)
- Gan (간, 簡 simple; bamboo slip)
- Gang (강, 姜 – Revised Romanization of Kang)
- Gangneung Choi (강릉 최씨, clan seated at Gangneung)
- Gangneung Ham (강릉 함씨, the main Ham clan)
- Gangneung Kim (강릉 김씨, clan seated at Gangneung)
- Geochang Shin (거창 신씨, clan seated at Geochang)
- Geum (금, 琴 – Revised Romanization of Keum)
- Geumcheon Kang (금천 강씨, clan seated at Geumcheon)
G, continued
- Geumseong Na (금성 나씨, clan seated at Geumseong)
- Gil (길, 吉 lucky, auspicious)
- Gim (김, 金 – Revised Romanization of Kim)
- Gimhae Heo (김해 허씨, clan linked to Queen Heo of Gaya)
- Gimhae Kim (김해 김씨, clan seated at Gimhae)
- Gimje Cho (김제 조씨, clan seated at Gimje)
- Gimnyeong Kim (김녕 김씨, clan seated at Gimnyeong)
- Go (고, 高 – Revised Romanization of Ko)
- Goheung Ryu (고흥 류씨, clan seated at Goheung)
- Gokbu Kong (곡부 공씨, clan tracing descent from Confucius)
- Goksan Han (곡산 한씨, clan seated at Goksan)
- Gong (공, 孔 – Revised Romanization of Kong)
- Goryeong Park (고령 박씨, clan seated at Goryeong)
- Goryeong Shin (고령 신씨, clan seated at Goryeong)
G, continued
- Goseong Nam (고성 남씨, clan seated at Goseong)
- Goseong Oh (고성 오씨, clan seated at Goseong)
- Gu (구, 具 – Revised Romanization of Koo)
- Guk (국, 國 nation)
- Guk (국, 鞠 ball; to rear)
- Gung (궁, 弓 bow)
- Gwak (곽, 郭 – Revised Romanization of Kwak)
- Gwang (광, 廣 wide, vast)
- Gwangju Ahn (광주 안씨, clan seated at Gwangju)
- Gwangju Lee (광주 이씨, clan seated at Gwangju)
- Gwangju Roh (광주 노씨, largest Roh clan)
- Gwangsan Kim (광산 김씨, clan seated at Gwangsan)
- Gwangsan Tak (광산 탁씨, the main Tak clan)
- Gwok (궉, 鴌 a mythical bird; Korea's rarest surname)
G, continued
- Gwon (권, 權 – Revised Romanization of Kwon)
- Gye (계, 桂 cassia tree)
- Gyeolseong Jang (결성 장씨, clan seated at Gyeolseong)
- Gyeon (견, 堅 firm, solid)
- Gyeong (경, 慶 celebration)
- Gyeongju Bae (경주 배씨, clan seated at Gyeongju)
- Gyeongju Choi (경주 최씨, descended from scholar Choe Chi-won)
- Gyeongju Jung (경주 정씨, clan seated at Gyeongju)
- Gyeongju Kim (경주 김씨, descended from Silla royalty)
- Gyeongju Lee (경주 이씨, clan seated at Gyeongju)
- Gyeongju Seok (경주 석씨, Silla royal Seok clan)
- Gyeongju Seol (경주 설씨, clan of scholar Seol Chong)
- Gyeongju Son (경주 손씨, clan seated at Gyeongju)
- Gyoha Roh (교하 노씨, clan seated at Gyoha)
H: 41 names
- Ha (하, 夏 summer; the Xia dynasty)
- Ha (하, 河 river)
- Hadong Jung (하동 정씨, clan seated at Hadong)
- Hae (해, 海 sea)
- Haeju Choi (해주 최씨, clan seated at Haeju)
- Haeju Oh (해주 오씨, largest Oh clan)
- Haenam Yoon (해남 윤씨, clan seated at Haenam)
- Haepyeong Gil (해평 길씨, the main Gil clan)
- Haepyeong Yoon (해평 윤씨, clan seated at Haepyeong)
- Hak (학, 郝 ancient fief of Hao)
- Ham (함, 咸 all, together)
- Hampyeong Oh (함평 오씨, clan seated at Hampyeong)
- Hampyeong Yoon (함평 윤씨, clan seated at Hampyeong)
H, continued
- Hamyang Park (함양 박씨, clan seated at Hamyang)
- Hamyang Yeo (함양 여씨, largest Yeo clan)
- Han (한, 韓 ancient state of Han; Korea)
- Hansan Lee (한산 이씨, clan seated at Hansan)
- Hanyang Cho (한양 조씨, clan seated at Hanyang)
- Hapcheon Lee (합천 이씨, clan seated at Hapcheon)
- Hayang Heo (하양 허씨, clan seated at Hayang)
- Heo (허, 許 to permit)
- Heungdeok Jang (흥덕 장씨, clan seated at Heungdeok)
- Heunghae Bae (흥해 배씨, clan seated at Heunghae)
- Ho (호, 扈 retinue)
- Ho (호, 胡 beard; northern peoples)
- Hoedeok Hwang (회덕 황씨, clan seated at Hoedeok)
- Hoengseong Ko (횡성 고씨, clan seated at Hoengseong)
H, continued
- Hong (홍, 洪 vast flood)
- Hongju Hong (홍주 홍씨, clan seated at Hongju)
- Hu (후, 后 empress, sovereign)
- Huh (허, 許 – variant spelling of Heo)
- Hur (허, 許 – variant spelling of Heo)
- Hwa (화, 化 to transform)
- Hwang (황, 黃 yellow)
- Hwangbo (황보, 皇甫 imperial)
- Hwangju Byun (황주 변씨, clan seated at Hwangju)
- Hwasun Choi (화순 최씨, clan seated at Hwasun)
- Hyeon (현, 玄 – Revised Romanization of Hyun)
- Hyeong (형, 邢 ancient state of Xing)
- Hyeonpung Kwak (현풍 곽씨, largest Kwak clan)
- Hyun (현, 玄 dark, mysterious)
I: 8 names
- Icheon Seo (이천 서씨, clan seated at Icheon)
- Iljik Son (일직 손씨, clan seated at Iljik)
- Im (임, 任 responsibility, duty)
- Im (임, 林 – Revised Romanization of Lim)
- Imcheon Cho (임천 조씨, clan seated at Imcheon)
- In (인, 印 seal, stamp)
- Incheon Chae (인천 채씨, clan seated at Incheon)
- Indong Jang (인동 장씨, largest Jang clan)
J: 50 names
- Ja (자, 慈 kindness, mercy)
- Jaeryeong Lee (재령 이씨, clan seated at Jaeryeong)
- Jang (장, 張 to draw a bow)
- Jang (장, 章 chapter, composition)
- Jang (장, 蔣 wild rice plant)
- Jangheung Ko (장흥 고씨, clan seated at Jangheung)
- Jangheung Ma (장흥 마씨, largest Ma clan)
- Jangseong Seo (장성 서씨, clan seated at Jangseong)
- Jangsu Hwang (장수 황씨, clan of scholar Hwang Hui)
- Jangyeon Roh (장연 노씨, clan seated at Jangyeon)
- Je (제, 諸 all, various)
- Jegal (제갈, 諸葛 the Zhuge clan)
J, continued
- Jeju Ko (제주 고씨, clan of the Tamna kingdom)
- Jeju Yang (제주 양씨, clan of the Tamna kingdom)
- Jeom (점, 占 to divine)
- Jeon (전, 全 whole, complete)
- Jeon (전, 田 cultivated field)
- Jeon (전, 錢 money, coin)
- Jeong (정, 鄭 – Revised Romanization of Jung)
- Jeongseon Jeon (정선 전씨, largest Jeon clan)
- Jeongseon Moon (정선 문씨, clan seated at Jeongseon)
- Jeonju Choi (전주 최씨, clan seated at Jeonju)
- Jeonju Chu (전주 추씨, clan seated at Jeonju)
- Jeonju Lee (전주 이씨, the Joseon royal house)
- Jeonju Ryu (전주 류씨, clan seated at Jeonju)
J, continued
- Jeonui Lee (전의 이씨, clan seated at Jeonui)
- Jeung (증, 曾 once; great-grandparent)
- Ji (지, 池 pond)
- Jin (진, 晉 ancient state of Jin)
- Jin (진, 秦 the Qin dynasty)
- Jin (진, 陳 to arrange; ancient state of Chen)
- Jincheon Song (진천 송씨, clan seated at Jincheon)
- Jinju Ha (진주 하씨, largest Ha clan)
- Jinju Jung (진주 정씨, clan seated at Jinju)
- Jinju Kang (진주 강씨, largest Kang clan)
- Jinju Ryu (진주 류씨, clan seated at Jinju)
- Jinju So (진주 소씨, the main So clan)
J, continued
- Jinyang Ha (진양 하씨, alternate seat of the Ha clan)
- Jo (조, 趙 – Revised Romanization of Cho)
- Jong (종, 宗 ancestor, lineage)
- Joo (주, 周 encompassing; the Zhou dynasty)
- Joo (주, 朱 vermilion red)
- Ju (주, 朱 – Revised Romanization of Joo)
- Juksan Ahn (죽산 안씨, clan seated at Juksan)
- Juksan Park (죽산 박씨, clan seated at Juksan)
- Jung (정, 丁 adult male; fourth heavenly stem)
- Jung (정, 程 journey, rule)
- Jung (정, 鄭 ancient state of Zheng)
- Junghwa Yang (중화 양씨, clan seated at Junghwa)
- Jwa (좌, 左 left)
K: 17 names
- Kang (강, 姜 ginger; ancient clan name)
- Kang (강, 康 health, peace)
- Kang (강, 强 strong)
- Kang (강, 江 great river)
- Keum (금, 琴 zither)
- Ki (기, 奇 remarkable, strange)
- Ki (기, 箕 winnowing basket)
- Kim (김, 金 gold)
K, continued
- Ko (고, 高 tall, high)
- Koh (고, 高 – variant spelling of Ko)
- Kong (공, 公 public, duke)
- Kong (공, 孔 hole; Confucius's surname)
- Koo (구, 丘 hill, mound)
- Koo (구, 具 tool, to provide)
- Kwak (곽, 郭 outer city wall)
- Kwon (권, 權 authority, power)
- Kyung (경, 景 scenery, bright)
L: 4 names
- Lee (이, 伊 he, she; the Yi river)
- Lee (이, 李 plum tree)
- Lee (이, 異 different, unusual)
- Lim (임, 林 forest)
M: 24 names
- Ma (마, 馬 horse)
- Ma (마, 麻 hemp)
- Mae (매, 梅 plum blossom)
- Maeng (맹, 孟 eldest; Mencius)
- Man (만, 萬 ten thousand)
- Mi (미, 米 rice)
- Min (민, 閔 to sympathize)
- Miryang Byun (밀양 변씨, clan seated at Miryang)
- Miryang Park (밀양 박씨, largest Park clan)
- Miryang Son (밀양 손씨, largest Son clan)
- Mo (모, 毛 hair, fur)
- Mo (모, 牟 to seek; barley)
M, continued
- Mok (목, 睦 harmonious)
- Mokcheon Jang (목천 장씨, clan seated at Mokcheon)
- Mokcheon Ma (목천 마씨, clan seated at Mokcheon)
- Moon (문, 文 writing, literature)
- Muan Park (무안 박씨, clan seated at Muan)
- Muk (묵, 墨 ink)
- Mun (문, 文 – Revised Romanization of Moon)
- Mun (문, 門 gate)
- Munhwa Ryu (문화 류씨, largest Ryu clan)
- Musong Yoon (무송 윤씨, clan seated at Musong)
- Myo (묘, 苗 seedling, sprout)
- Myung (명, 明 bright)
N: 21 names
- Na (나, 羅 net; state of Luo)
- Nagan Oh (낙안 오씨, clan seated at Nagan)
- Naju Jung (나주 정씨, clan seated at Naju)
- Naju Kim (나주 김씨, clan seated at Naju)
- Naju Lim (나주 임씨, clan seated at Naju)
- Naju Na (나주 나씨, largest Na clan)
- Nam (남, 南 south)
- Namgung (남궁, 南宮 southern palace)
- Namkoong (남궁, 南宮 – common spelling of Namgung)
- Nampyeong Moon (남평 문씨, largest Moon clan)
N, continued
- Namwon Yang (남원 양씨, largest Yang clan)
- Namwon Yoon (남원 윤씨, clan seated at Namwon)
- Namyang Bang (남양 방씨, clan writing Bang as 房)
- Namyang Hong (남양 홍씨, largest Hong clan)
- Namyang Seo (남양 서씨, clan seated at Namyang)
- Namyang Song (남양 송씨, clan seated at Namyang)
- Neungseong Joo (능성 주씨, clan seated at Neungseong)
- Neungseong Koo (능성 구씨, largest Koo clan)
- No (노, 盧 – Revised Romanization of Roh)
- Noe (뇌, 雷 thunder)
- Noh (노, 盧 – variant spelling of Roh)
O: 9 names
- Oh (오, 吳 ancient state of Wu)
- Ok (옥, 玉 jade)
- Okcheon Cho (옥천 조씨, clan seated at Okcheon)
- Okcheon Jeon (옥천 전씨, clan seated at Okcheon)
- On (온, 溫 warm)
- Ong (옹, 翁 old man)
- Ong (옹, 邕 harmonious)
- Onyang Bang (온양 방씨, largest Bang clan)
- Onyang Jung (온양 정씨, clan seated at Onyang)
P: 26 names
- Paeng (팽, 彭 the sound of drums)
- Paik (백, 白 – older English spelling of Baek)
- Paju Yeom (파주 염씨, the main Yeom clan)
- Pak (박, 朴 – McCune-Reischauer spelling of Park)
- Pan (판, 判 to judge)
- Pang (방, 方 – McCune-Reischauer spelling of Bang)
- Papyeong Yoon (파평 윤씨, largest Yoon clan)
- Park (박, 朴 plain, unadorned)
- Pi (피, 皮 skin, hide)
- Pil (필, 弼 to assist)
- Po (포, 包 to wrap)
- Pung (풍, 馮 galloping horse)
- Pungcheon Roh (풍천 노씨, clan seated at Pungcheon)
P, continued
- Pungsan Hong (풍산 홍씨, clan seated at Pungsan)
- Pungsan Ryu (풍산 류씨, clan of Hahoe village)
- Pungsan Shim (풍산 심씨, clan seated at Pungsan)
- Pungyang Cho (풍양 조씨, powerful late-Joseon clan)
- Pyeon (편, 片 slice, fragment)
- Pyeong (평, 平 peaceful, level)
- Pyeonggang Chae (평강 채씨, largest Chae clan)
- Pyeonghae Hwang (평해 황씨, clan seated at Pyeonghae)
- Pyeonghae Son (평해 손씨, clan seated at Pyeonghae)
- Pyeongsan Shin (평산 신씨, largest Shin clan)
- Pyeongtaek Lim (평택 임씨, clan seated at Pyeongtaek)
- Pyeongyang Cho (평양 조씨, clan seated at Pyeongyang)
- Pyo (표, 表 surface, to express)
R: 10 names
- Ra (라, 羅 – North Korean spelling of Na)
- Rhee (이, 李 – older American spelling of Lee)
- Ri (리, 李 – North Korean spelling of Lee)
- Rim (림, 林 – North Korean spelling of Lim)
- Roh (노, 盧 ancient state of Lu)
- Roh (노, 路 road)
- Roh (노, 魯 ancient state of Lu; Confucius's homeland)
- Ryang (량, 梁 – North Korean spelling of Yang)
- Ryoo (류, 柳 – variant spelling of Ryu)
- Ryu (류, 柳 willow tree)
S: 63 names
- Sa (사, 史 history, scribe)
- Sa (사, 謝 to thank)
- Sagong (사공, 司空 minister of works)
- Samcheok Jin (삼척 진씨, clan seated at Samcheok)
- Samcheok Shim (삼척 심씨, clan seated at Samcheok)
- Sang (상, 尙 to esteem)
- Sangju Hwang (상주 황씨, clan seated at Sangju)
- Sangju Joo (상주 주씨, clan writing Joo as 周)
- Sangju Park (상주 박씨, clan seated at Sangju)
- Sangnyeong Choi (삭녕 최씨, clan seated at Sangnyeong)
- Sangsan Kim (상산 김씨, clan seated at Sangju)
- Seo (서, 徐 slow and steady)
S, continued
- Seo (서, 西 west)
- Seok (석, 昔 ancient; Silla royal clan)
- Seok (석, 石 stone)
- Seol (설, 偰 pure, clear)
- Seol (설, 薛 ancient state of Xue)
- Seomun (서문, 西門 west gate)
- Seon (선, 宣 to proclaim)
- Seong (성, 成 – Revised Romanization of Sung)
- Seongju Bae (성주 배씨, largest Bae clan)
- Seongju Do (성주 도씨, largest Do clan)
- Seongju Hyun (성주 현씨, clan seated at Seongju)
- Seongju Lee (성주 이씨, clan seated at Seongju)
- Seongju Yeo (성주 여씨, clan seated at Seongju)
S, continued
- Seonsan Kim (선산 김씨, clan seated at Seonsan)
- Seonu (선우, 鮮于 – Revised Romanization of Sunwoo)
- Seosan Jung (서산 정씨, clan seated at Seosan)
- Seosan Ryu (서산 류씨, clan seated at Seosan)
- Seung (승, 承 to inherit, receive)
- Seung (승, 昇 to rise)
- Shim (심, 沈 to sink; ancient state of Shen)
- Shin (신, 愼 careful, cautious)
- Shin (신, 申 to declare; ninth earthly branch)
- Shin (신, 辛 pungent; eighth heavenly stem)
- Si (시, 施 to bestow)
- Si (시, 柴 firewood)
S, continued
- Sim (심, 沈 – Revised Romanization of Shim)
- Sin (신, 申 – Revised Romanization of Shin)
- Sinan Joo (신안 주씨, largest Joo clan)
- Sinchang Pyo (신창 표씨, the main Pyo clan)
- Sincheon Kang (신천 강씨, clan seated at Sincheon)
- So (소, 蘇 to revive; perilla)
- So (소, 邵 ancient fief of Shao)
- Sobong (소봉, 小峰 small peak)
- Sohn (손, 孫 – older spelling of Son)
- Son (손, 孫 grandson)
- Song (송, 宋 the Song dynasty)
- Song (송, 松 pine tree)
- Su (수, 水 water)
S, continued
- Su (수, 洙 the Zhu river)
- Suh (서, 徐 – older English spelling of Seo)
- Suk (석, 石 – older spelling of Seok)
- Sul (설, 薛 – older spelling of Seol)
- Sun (순, 荀 ancient state of Xun)
- Sunchang Seol (순창 설씨, largest Seol clan)
- Suncheon Kim (순천 김씨, clan seated at Suncheon)
- Suncheon Park (순천 박씨, clan seated at Suncheon)
- Sung (성, 成 to accomplish)
- Sunheung Ahn (순흥 안씨, largest Ahn clan)
- Sunwoo (선우, 鮮于 ancient Xianyu people)
- Suseong Choi (수성 최씨, clan seated at Suseong)
- Suwon Baek (수원 백씨, largest Baek clan)
T: 7 names
- Tae (태, 太 great)
- Taein Heo (태인 허씨, clan seated at Taein)
- Tak (탁, 卓 outstanding)
- Tamjin Ahn (탐진 안씨, clan seated at Gangjin)
- Tamjin Choi (탐진 최씨, clan seated at Gangjin)
- Tang (당, 唐 the Tang dynasty)
- Tokko (독고, 獨孤 – McCune-Reischauer spelling of Dokgo)
U: 9 names
- U (우, 禹 – Revised Romanization of Woo)
- Uhm (엄, 嚴 – variant spelling of Um)
- Uiryeong Hwang (의령 황씨, clan seated at Uiryeong)
- Uiryeong Nam (의령 남씨, largest Nam clan)
- Uiseong Kim (의성 김씨, clan seated at Uiseong)
- Ulsan Jang (울산 장씨, clan seated at Ulsan)
- Ulsan Kim (울산 김씨, clan seated at Ulsan)
- Um (엄, 嚴 strict, stern)
- Un (운, 雲 cloud)
W: 10 names
- Wang (왕, 王 king)
- Whang (황, 黃 – older English spelling of Hwang)
- Wi (위, 韋 tanned leather)
- Wi (위, 魏 ancient state of Wei)
- Won (원, 元 origin, first)
- Won (원, 袁 long robe)
- Wonju Byun (원주 변씨, clan writing Byun as 邊)
- Wonju Won (원주 원씨, the main Won clan)
- Woo (우, 于 to go; ancient state of Yu)
- Woo (우, 禹 Yu the Great)
Y: 47 names
- Ya (야, 夜 night)
- Yang (양, 梁 roof beam, bridge)
- Yang (양, 楊 poplar, willow)
- Yangcheon Heo (양천 허씨, largest Heo clan)
- Yanggeun Ham (양근 함씨, clan seated at Yanggeun)
- Yangju Cho (양주 조씨, clan seated at Yangju)
- Yaseong Song (야성 송씨, clan seated at Yaseong)
- Ye (예, 芮 small; ancient state of Rui)
- Yecheon Kwon (예천 권씨, clan seated at Yecheon)
- Yeo (여, 余 surplus; I)
- Yeo (여, 呂 spine; ancient state of Lu)
Y, continued
- Yeoheung Min (여흥 민씨, clan of Joseon queens)
- Yeoju Lee (여주 이씨, clan seated at Yeoju)
- Yeom (염, 廉 honest, incorruptible)
- Yeom (염, 閻 village gate)
- Yeon (연, 延 to extend)
- Yeon (연, 燕 swallow; ancient state of Yan)
- Yeon (연, 連 to connect)
- Yeonan Cha (연안 차씨, the main Cha clan)
- Yeonan Kim (연안 김씨, clan seated at Yeonan)
- Yeonan Lee (연안 이씨, clan seated at Yeonan)
- Yeong (영, 永 eternal)
- Yeongsan Shin (영산 신씨, clan seated at Yeongsan)
Y, continued
- Yeongwol Shin (영월 신씨, clan seated at Yeongwol)
- Yeongwol Um (영월 엄씨, the main Um clan)
- Yeongyang Cheon (영양 천씨, largest Cheon clan)
- Yeongyang Nam (영양 남씨, clan seated at Yeongyang)
- Yeonil Jung (연일 정씨, clan seated at Yeonil)
- Yeonju Hyun (연주 현씨, largest Hyun clan)
- Yeonsan Seo (연산 서씨, clan seated at Yeonsan)
- Yeop (엽, 葉 leaf)
- Yeosan Song (여산 송씨, largest Song clan)
- Yeoyang Jin (여양 진씨, largest Jin clan)
- Yi (이, 李 – common academic spelling of Lee)
- Yo (요, 姚 elegant; ancient state of Yao)