František Čermák (born November 14, 1976, in Valtice, Czechoslovakia) is a Czech professional tennis player. Čermák turned pro in 1998. He has won 15 doubles titles on the ATP Tour, and has been a finalist 12 times. He reached his career high doubles ranking of World No. 18 on July 18, 2005. He usually plays doubles with countryman Leoš Friedl. His doubles partner in the 2006 U.S. Open was also a Czech player, Jaroslav Levinský. He played with Germany's Anna-Lena Grönefeld, who were eventual quarterfinalists.