Siedlecki (feminine: Siedlecka; plural: Siedleccy) is a Polish surname (toponymic adjective of Siedlce). It may refer to:
Jack Siedlecki (born 1951), American football coach Joanna Siedlecka (born 1949), Polish writer Michał Marian Siedlecki (1873–1940), Polish zoologist Zygmunt Siedlecki (1907–1977), Polish athlete , Polish research ship
See also