Stefan Marian Kuryłowicz (26 March 1949 – 6 June 2011) was a Polish architect and professor who is widely credited with transforming the architecture and skyline of Warsaw, Poland, in the twenty years following the collapse of Communism in 1989. Media reports have called Kuryłowicz "one of the most influential Polish architects." He and the late architect Jacek Syropolski created the architecture company, Kurylowicz & Associates.