Yi Si-yeong (Korean: 이시영; Hanja: 李始榮; December 3, 1868 – April 19, 1953) was a Korean politician, independence activist, educator and neo-Confucianist scholar. He was the first vice president of South Korea from 1948 to 1951.^[1] Yi resigned after the National Defense Corps incident of 1951. His art names were Seongjae (성재; 省齋) or Sirimsanin (시림산인; 始林山人). Before the Japan–Korea Treaty of 1910, he had served for Joseon as the Governor of South Pyongan Province and the President of Hansung Law Court.

• Gamseemanuh (감시만어; 感時漫語)

• Portrayed by Jo Young-jin in the 2010 KBS TV series Freedom Fighter, Lee Hoe-young.

• Syngman Rhee
• Kim Kyu-sik
• Kim Ku
• Kim Seong-su
• Chang Myon

• Yi Si-yeong (in Korean)
• Yi Si-yeong:Navercast (in Korean)
• Yi See-young:Korean historical persons information Archived 2013-12-31 at the Wayback Machine (in Korean)
• Yi See-young (in Korean)
• Yi See-young (in Korean)
• Yi See-young:Nate Archived 2013-12-31 at the Wayback Machine (in Korean)