Sęk is a

Polish surname Polish names have two main elements: the given name, and the surname. The usage of personal names in Poland is generally governed by civil law (legal system), civil law, church law, personal taste and family custom. The law requires a given nam ...

. It is a cognate of the Czech and Ukrainian surname Suk. Notable people with the surname include: * Dariusz Sęk (born 1986), Polish boxer * Paweł Sęk (born 1977), Polish composer and audio engineer * Szymon Szynkowski vel Sęk (born 1982), Polish politician

See also