Petr Mika (born February 12, 1979) is a Czech former professional ice hockey player who played three games in the National Hockey League with the New York Islanders during the 1999–00 season. The rest of his career, which lasted from 1996 to 2010, was mainly spent in the Czech Extraliga. Internationally Mika played for the Czech national junior team at the 1999 World Junior Championships.