Orzechowski (feminine Orzechowska, plural Orzechowscy) is a Polish surname. Notable people with the surname include:
Barbara Orzechowska-Ryszel (born 1931), Polish fencerBenjamin Orzechowski (1947–2000), birth name of Benjamin Orr, American rock musician, member of The CarsDaniel Orzechowski (born 1985), Brazilian swimmerMarian Orzechowski (born 1931), Polish politicianMirosław Orzechowski (born 1957), Polish politicianPiotr Orzechowski (born 1990), Polish jazz pianist, also known as PianohooliganRobert Orzechowski (born 1989), Polish handballerStanisław Orzechowski (1513–1566), Ruthenian and Polish political writer and theologianTom Orzechowski (born 1953), American comic book letterer