Shim Wan-koo (Korean: 심완구; Hanja: 沈完求; RR: "Sim Wan-gu"; 1 July 1938 – 8 June 2020) was a South Korean politician. He was the first elected Mayor of Ulsan from 1997 to 2002. He was a member of the National Assembly from 1985 to 1992.