Piechowski (feminine: Piechowska, plural: Piechowscy) is a Polish surname. Some of them use Ogończyk coat of arms or Leliwa coat of arms. It may be transliterated as: Piehowski, Piehowsky, Piechowsky, Piekowski, Piechovsky.

Notable people with the surname include: Kazimierz Piechowski (1919–2017), Polish prisoner Laurin von Piechowski (born 1994), German footballer Mateusz Piechowski (born 1995), Polish handball player Michael Piechowski (born 1933), American psychologist Paul Piechowski (1892–1966), Lutheran theologian and physician (1849–1911), Polish painter and photographer.

See also