Mniszek may refer to:
People Adam Mniszek (1889–1957), lieutenant colonel in the cavalry of the Polish Army Helena Mniszek (1878–1943), Polish writer
Places Mniszek, Kuyavian-Pomeranian Voivodeship (north-central Poland) Mniszek, Lublin Voivodeship (east Poland) Mniszek, Masovian Voivodeship (east-central Poland) Mniszek, Pomeranian Voivodeship (north Poland) Mniszek, Świętokrzyskie Voivodeship (south-central Poland)
See also Mniszech family, a Polish noble family Mniszech coat of arms