Igor Zelenay (born February 10, 1982 in Slovakia) is a professional tennis player. He mainly plays doubles, and his career high rank is 74, achieved on 2 February 2009. His career high in singles is 279, achieved on August 1, 2005.
He was 3 times runner up in an ATP tournaments in doubles competition.
He played for Slovakia in Davis Cup.
In the recent years, he mostly plays at challenger level.