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]