Frederick Newton (1951–1986) was executed for organising an attempted coup in Dominica.

Frederick Newton, or variants, may also refer to:

Frederick Newton (cricketer) (Frederick Arthur Newton, 1890–1924), English cricketer Frederic Newton (1870–1959), politician in Manitoba, Canada Frederick Robert Newton (1841–1926), Anglican minister and schoolmaster Fred Newton (rugby union) (Frederick Newton, 1881–1955), New Zealand rugby union player Fred Newton (politician) (Harold Francis Newton, 1921–1990), Queensland politician Fred Newton (swimmer) (1903-1992), American swimmer