Peter Haas may refer to:
Academics Peter J. Haas (rabbi) (born 1948), American rabbi, professor at CWRU, and leader of Scholars for Peace in the Middle East Peter M. Haas (born 1955), American political scientist Peter J. Haas (computer scientist) (born 1956), American academic and operations researcher
Sportsmen Pete Haas, American golfer who won the 1946 Monroe Invitational Peter Haas, Australian rally car navigator in 1970 Australian Rally Championship Peter Haas, Austrian canoeist whose team won gold medals at 1975 and 1977 Wildwater Canoeing World Championships Peter Haas (athlete) (born 1955), Swiss Olympic sprinter
Others Peter Haas (engraver) (1754–1804), German-Danish engraver Peter E. Haas (1918–2005), American businessman, CEO of Levi Strauss Peter E. Haas Jr. (born 1947), his son, American businessman and philanthropist Peter W. Haas (born 1964), Slovak art photographer Peter Haas, German drummer, member of Mekong Delta from 1991 to 1998 Peter D. Haas, American diplomat