František Čermák (born 14 November 1976) is a Czech former professional tennis player.

In his career, Čermák won 31 doubles titles on the ATP Tour and he was a finalist 24 times.

In mixed doubles, Čermák and partner Lucie Hradecká reached the final of the 2013 Australian Open and won the 2013 French Open.

Čermák was a member of the winning Czech Republic team in the 2012 Davis Cup.

He coached countrywoman Petra Kvitová from April 2016 to the 2016 US Open.