Reiffel is a surname. Notable people with the surname include:
Charles Reiffel (1862–1942), American lithographer and painter Leonard Reiffel (1927–2017), American physicist and writer Lou Reiffel (1910–1977), Australian rules footballer Paul Reiffel (born 1966), Australian cricketer and umpire Ron Reiffel (1932–2018), Australian rules footballer
See also Ben Reifel (1906–1990), public administrator and politician George C. Reifel Migratory Bird Sanctuary, in British Columbia