Roh Gap-taik (born 3 May 1964) is a Korean former professional tennis player.

Born in Gyeonggi-do, Roh appeared in a total of five Davis Cup ties for South Korea and was a member of the gold medal winning Korean team at the 1986 Asian Games.

Roh, a right-handed player, twice received a wildcard into the main draw of the Korea Open in Seoul, which were his only ATP Tour appearances.

He won a Challenger title in Guangzhou in 1988, despite qualifying for the event as a lucky loser.

Since retiring he has had multiple stints serving as South Korea's Davis Cup captain.