Reshevsky, Rzeszewski or Rejewski (Polish: [rɛˈjɛfskʲi]) is a Polish masculine surname. Its feminine counterpart is Reshevska, Rzeszewska or Rejewska. The surname may refer to
- Lenny Rzeszewski (1923–2013), American basketball player
- Marian Rejewski (1905–1980), Polish mathematician and cryptologist
- Samuel Reshevsky (1911–1992), Polish-born American chess player