Leiter is a surname. Notable people with the surname include:
A family of American baseball pitchers: Al Leiter (born 1965), left-hander Jack Leiter (born 2000), son of Al, right-hander Mark Leiter (born 1963), brother of Al, right-hander Mark Leiter Jr. (born 1991), son of Mark, right-hander Brian Leiter, American philosopher and legal scholar Felix Leiter, fictional character in the James Bond series Ken Leiter, American ice hockey player Levi Leiter, American businessman Mark Leiter (US Businessman), Chief Strategy Officer at Nielsen Michael Leiter, former director, National Counterterrorism Center Saul Leiter, photographer and artist Yechiel Leiter, American-born Israeli historian of philosophy, public policy analyst, rabbi and settlement activist, Israeli ambassador to the United States
See also Leiter, Wyoming, a community in the United States The Leiter Report, a report on university professors of philosophy edited by Brian Leiter The Second Leiter Building, also known as the Sears Building, in Chicago Leiter International Performance Scale, an intelligence test Leite Leitner Gauleiter, an administrator (leader) of a gau (district) in pre-World War II Germany