Martin Damm Sr. is a Czech former professional tennis player. He had a career-high doubles ranking of world No. 5 in the world, achieved in April 2007, and a singles ranking of No. 42, achieved in August 1997. Damm won 40 ATP Tour-level doubles titles, including a major at the 2006 US Open. He reached five ATP Tour singles finals. Damm retired from the sport in September 2011. His son, Martin Damm, Jr., is also a professional tennis player.