Five-term member of the National Assembly (3rd, 4th, 5th, 8th and 11th)

| Life | 1914 ~ 1984 |
| Era | 현대 |
| Clan | 강릉 유씨 |
Yoo Ok-u (1914-1984) was a South Korean politician of the Gangneung Yoo clan, pen name Sannam, born 4 December 1914 on Bigeum Island, Sinan, South Jeolla. He graduated from Gwangju Higher Common School and was the grandfather of the actor-director Yoo Ji-tae.
He entered politics in 1954 as a Liberal Party candidate in Muan and was re-elected in 1958 and 1960 for the Democratic Party; in 1960 he chaired the agriculture committee and ran in the presidential election, losing.
In 1971 he won a Seoul seat for the New Democratic Party, but the Yushin dissolution of the Assembly ended his term. In 1981 he returned to the 11th Assembly through the proportional list for a fifth term, and died on 15 March 1984. In 1965 he was tried over remarks against the Korea-Japan agreement.
Wikipedia lists his activity across several parties. Only facts are given here, without evaluation.
Grave not confirmed.