Seo Su-yeon (Korean: 서수연, born January 8, 1986) is a South Korean para table tennis player. She won a silver medal and a bronze at the 2016 Summer Paralympics. She is coached by Cho Jae-kwan. When she was 18, Seo aspired to be a model and visited a hospital to correct her posture. Instead, she was paralysed by an injection. She began playing table tennis while she fought the hospital in courts.