Siedlecki

Siedlecki is a Polish surname (toponymic adjective of Siedlce). It can refer to:


 * Jack Siedlecki (born 1951), American football coach
 * Michał Marian Siedlecki (1873-1940), Polish zoologist
 * Zygmunt Siedlecki (1907-1977), Polish athlete


 * RV Profesor Siedlecki, Polish research ship