Suh Byung-soo (Korean: 서병수, born 9 January 1952) is a South Korean politician who served as the Mayor of Busan from 2014 to 2018. He previously served as the Member of the National Assembly for Haeundae-Gijang 1st constituency from 2002 to 2014 and the Mayor of Haeundae from 2000 to 2002. A member of the conservative People Power, Suh was elected the Mayor of Busan on 4 June 2014, defeating the independent candidate Oh Keo-don. In 2018, he ran for re-election but lost to Oh, who ran under the Democratic banner.