Olek Krupa (Aleksander Krupa; * 18. März 1947 in Rybnik, Woiwodschaft Schlesien, Polen) ist ein polnischer Schauspieler. ()
Aleksander Krupa, often credited as Olek Krupa, born August 31, 1955, is a Polish actor best known for playing villains and/or criminals, such as in Blue Streak and Home Alone 3. He also notably portrayed a Serb general engaged in genocide against Bosnian Muslims in 2001's Behind Enemy Lines.On television he appears in many Law & Order episodes.