Two-syllable Korean last names
Almost every Korean surname is one syllable. Thirteen are not, and together they belong to fewer than 60,000 people — about one Korean in 850. A two-syllable surname is so distinctive that Koreans will remember it, ask about it, and assume the family has an unusual history. Usually they are right.
All 13 two-syllable Korean surnames
Why Korean surnames are one syllable
Korean surnames were adopted as single Chinese characters, and the overwhelming majority of Chinese surnames are one character long. The two-syllable Korean surnames are, with two exceptions, Chinese compound surnames (복성, 複姓) — two-character names like Zhuge, Sima or Huangfu that were themselves rare in China and arrived in Korea with a single immigrant lineage. The exceptions are the Japanese-origin names registered after 1945.
The five you will actually meet
Namgung (남궁, 南宮) — 21,313 people
“South palace.” The only two-syllable surname common enough that most Koreans have met one. The Hamyeol Namgung clan traces itself to a Chinese scholar who arrived in the early Goryeo period; Hamyeol is in North Jeolla. The actor Namgoong Min made the name familiar to drama audiences. Spellings: Namgung (official), Namgoong, Namkung, Namkoong.
Hwangbo (황보, 皇甫) — 10,427 people
“Imperial protector,” originally a Chinese official title that became a surname. The Yeongcheon Hwangbo clan claims a Goryeo founding ancestor; the Goryeo queen Hwangbo (consort of King Gwangjong) is the earliest well-known bearer. The singer Hwangbo (Hwangbo Hye-jung) is the best-known modern one.
Jegal (제갈, 諸葛) — 5,735 people
The Korean form of Zhuge, the surname of the legendary strategist Zhuge Liang, and Korean Jegals traditionally claim descent from him through a Goryeo-era immigrant. The Namyang Jegal clan is the main one. The name carries an instant association with intelligence and strategy, which fiction writers use freely.
Sagong (사공, 司空) — 4,488 people
“Minister of works,” an ancient Chinese court title. The Hyoryeong Sagong clan traces itself to a Silla-era ancestor, making it one of the oldest two-syllable lineages in Korea. Also spelled Sakong.
Sunwoo (선우, 鮮于) — 3,648 people
The Korean form of Xianyu, a Chinese surname from the ancient state of Xianyu in Hebei. The Taewon Sunwoo clan traces itself to the Gija lineage, which places it among the surnames with the longest claimed history in Korea. Also spelled Seonu, Seonwoo, Sunoo. Popular as a fictional surname because it doubles as a common given name (Sun-woo).
The rare ones
Seomun (서문, 西門), “west gate,” 2,044 people — the Korean form of Ximen. Dokgo (독고, 獨孤), “lone orphan,” 502 people — the Korean form of Dugu, a surname of the Xianbei nobility of the Northern Wei; the Namwon Dokgo are the only clan. Dongbang (동방, 東方), “the east,” 180 people — the Korean form of Dongfang. Eogeum (어금, 魚金), 8 people, a native compound of two Korean surnames. And the three post-1945 Japanese-origin names, each held by a single family: Mangjeol (망절, 網切), 8 people; Mubon (무본, 武本 Takemoto), 6; Deungjeong (등정, 藤井 Fujii), 5; and Hwangmok (황목, 荒木 Araki), 5.
How names work with a two-syllable surname
A two-syllable surname plus a two-syllable given name makes four syllables — Namgung Min-su, Hwangbo Hye-jung — which breaks the three-beat rhythm Koreans expect. For that reason people with two-syllable surnames disproportionately use one-syllable given names: Namgoong Min, Hwangbo Ra. On forms and in romanization the surname is written as one word (Namgung, not Nam Gung) to avoid it being read as surname + given name. In Korean the surname is never split.
Two-syllable surnames in fiction
Dramas and webtoons use these names as a shortcut for “old family, unusual person”: Dokgo for a lone wolf, Jegal for a strategist, Namgung for an aristocratic heir, Sunwoo for a hero. If you use one, note that Dokgo, Dongbang and the five ultra-rare names belong to a few hundred real people or fewer; Namgung, Hwangbo, Jegal, Sagong and Sunwoo are large enough that a fictional bearer will not point at a real family.
Frequently asked questions
How many two-syllable Korean surnames are there?
Thirteen in the 2015 census, held by about 58,000 people combined — roughly 0.12% of South Korea’s population.
What is the most common two-syllable Korean surname?
Namgung (남궁, 南宮), with 21,313 holders, followed by Hwangbo (10,427) and Jegal (5,735).
Is Namgung a Korean or Chinese surname?
Korean, of Chinese origin. It is the Korean reading of the Chinese compound surname Nangong 南宮, brought to Korea by a Goryeo-era immigrant; the Hamyeol Namgung clan has been Korean for a thousand years.
Do all Korean surnames have one syllable?
All but thirteen. Every surname in the top 180 by population is one syllable; the two-syllable ones are Chinese compound surnames or post-1945 Japanese-origin names.