Orzechowski (feminine Orzechowska, plural Orzechowscy) is a Polish surname. Notable people with the surname include:
Barbara Orzechowska-Ryszel (born 1931), Polish fencer
Benjamin Orzechowski (1947–2000), birth name of Benjamin Orr, American rock musician, member of The Cars
Daniel Orzechowski (born 1985), Brazilian swimmer
Marian Orzechowski (born 1931), Polish politician
Mirosław Orzechowski (born 1957), Polish politician
Piotr Orzechowski (born 1990), Polish jazz pianist, also known as Pianohooligan
Robert Orzechowski (born 1989), Polish handballer
Stanisław Orzechowski (1513–1566), Ruthenian and Polish political writer and theologian
Tom Orzechowski (born 1953), American comic book letterer