Petr Tatíček (born 22 September 1983) is a Czech professional ice hockey centre who is currently an unrestricted free agent.

Marie Greyhounds of the Ontario Hockey League (OHL) and played just three games for the Panthers during the 2005–06 NHL season, going pointless.

Tatíček then signed with the Washington Capitals as a free agent, but only played one game for their AHL affiliate, the Hershey Bears, before returning to the Czech Extraliga with HC Kladno.

On 22 July 2014, Tatíček signed as a one-year contract as a free agent with Deutsche Eishockey Liga (DEL) club ERC Ingolstadt.

On 23 November 2014, during the 2014–15 season, and having quickly adapted to the DEL and among the team's top scoring line, Tatíček was signed to a three-year contract extension to remain in Ingolstadt.