Leiter is a surname. Notable people with the surname include:
Al Leiter, Major League Baseball pitcherBrian Leiter, American philosopher and legal scholarFelix Leiter, fictional character in the James Bond seriesKen Leiter, American ice hockey playerLevi Leiter, American businessmanMark Leiter, Major League Baseball pitcher and brother of AlMark Leiter (US Businessman), Chief Strategy Officer at NielsenMichael Leiter, former director, National Counterterrorism CenterSaul Leiter, photographer and artist