| Seo Hyun-deok | |
| Native Name: | 서현덕 |
| Native Name Lang: | ko |
| Nationality: | South Korean |
| Playingstyle: | Left-handed, shakehand grip |
| Hrank: | 25 (July 2011)[1] |
| Birth Date: | 1991 5, df=yes |
Seo Hyun-deok (born 9 May 1991) is a South Korean male table tennis player. He belongs to Samsung Life Insurance.[2] He won six doubles titles on the ITTF World Tour between 2010 and 2014, including the victory at the 2014 ITTF World Tour Grand Finals.[3] In 2015, he won a bronze medal in men's doubles event with Lee Sang-su at the World Championships.[4]