Penton is an English surname, which combines the Celtic word Pen meaning 'a hill' and the Old English word tun meaning 'a town or settlement'. It is a toponymic surname for any of several places in England named Penton. This surname may refer to:
- Arthur Pole Penton (1854–1920), British major general in the Royal Artillery
- Aurelia Pentón (born 1941), Cuban athlete
- Baven Penton (1890–?), English professional footballer
- Brian Penton (1904–1951), Australian journalist and novelist
- Frederick Thomas Penton (1851–1929), British army officer and politician
- James Penton, Canadian historian
- John Penton, American football coach
- Henry Penton (disambiguation)
- Richard Howard Penton (1882–1960), English marine and landscape painter
- John Penton, American Enduro motorcycle pioneer