Němeček (feminine Němečková) is a Czech surname, meaning "a small German". It is a diminutive of Němec, meaning "a German". It can be Anglicized as Nemechek or simply Nemecek. Notable people include:
Bohumil Němeček, Czech boxer Franz Xaver Niemetschek, Czech music scholar Jan Němeček, Czech ice hockey player Lenka Němečková, Czech tennis player Libor Němeček, Czech tennis player Svatopluk Němeček, Czech politician Václav Němeček, Czech footballer