Petříček (feminine Petříčková) is a Czech surname literally meaning 'little Peter'. Notable people with this surname include the following:
Jan Petříček, Czech slalom canoeist Květa Petříčková, Czech field hockey player Tomáš Petříček, Czech politician Tomáš Petříček (canoeist), Czech slalom canoeist Vladimír Petříček, Czech rower