Lee Sang-su

Lee Sang-su (born 13 August 1990) is a South Korean table tennis player. He won two singles titles at the ITTF Pro Tour, the first one was in 2010. He reached semifinals in singles event at the 2017 World Championships.

Lee Sangsu represented South Korea at the 2020 Tokyo Olympics in the men's team event after winning the Olympic trials held in February 2021.