Paul Fiset (English pronunciation: Fih-ZAY; November 7, 1922 – February 27, 2001) was a Canadian-American microbiologist and virologist. His research helped to develop one of the first successful Q fever vaccines, noted by The New York Times. Fiset was born in Quebec, Canada, and attended Laval University, where he earned a Doctor of Medicine degree in 1949. He subsequently attended Cambridge University, where he received a PhD degree in 1956. As a professor at the University of Maryland School of Medicine, he also researched other bacterial diseases such as typhus and Rocky Mountain spotted fever, in addition to Q fever.