Patty is a surname. Notable people with the surname include:
Budge Patty (1924–2021), American tennis player Inna Mariam Patty (born 1983), Ghanaian social entrepreneur John W. Patty, American political scientist Kenneth Cartwright Patty (1891–1967), American lawyer Lidia Patty (born 1969), Bolivian politician and trade unionist R. Bruce Patty (1935–1998), American architect Sandi Patty (born 1956), American Contemporary Christian music singer