Jan Sas Zubrzycki (25 June 1860 in Tłuste – 4 August 1935 in Lwów) was a Polish architect known for his work in the neo-Gothic style and originator of the so-called "Vistula style". His most notable design was the grand Governor's Palace in Lemberg (1876). He was elected a member of the Board of the Union of Polish Scientific Societies in 1920, as representative of the Society for Protecting Monuments of Art and Culture.