Lech Raczak (27 January 1946 – 17 January 2020) was a Polish theatre director. He was born in Poznań. He was one of the founders of the Theatre of the Eighth Day. From 1995 to 1998, Raczak was an artistic director of the Polish Theatre in Poznań. He also worked for Malta Festival as an artistic director between 1993 and 2012. He was a professor at University of Arts in Poznań from 2003.