Bentham is a surname. Notable people with the surname include:
Billy Bentham, rugby league footballer of the 1920s for Great Britain, and England
Charles Bentham, English shipwright in Dutch service
Craig Bentham (born 1985), English footballer
Ethel Bentham (1861–1931), Irish doctor, politician and suffragette
George Bentham (1800–1884), English botanist, son of Samuel
Isaac Bentham (1886–1917), British water polo player
James Bentham (1708–1794), English clergyman and historian of Ely Cathedral
Jeremy Bentham (1748–1832), English philosopher and jurist who developed utilitarianism
Joseph Bentham (1693/94-1671), Church of England minister and writer on theology
Lee Bentham (born 1970), former Canadian racing driver
Nathan Bentham, rugby league footballer of the 1920s and '30s for Great Britain, and England
Samuel Bentham (1757–1831), English mechanical engineer, brother of Jeremy
Thomas Bentham (1513–1578), Bishop of Coventry
Trevor Bentham (born 1943), former English stage manager and screenwriter
Fictional characters:
Jeremy Bentham (Lost), another name for the character John Locke in Lost
Karla Bentham, character in the BBC 1 TV drama Waterloo Road, played by Jessica Baglow