Gell is a surname, and may refer to:
- Alan Gell, American sentenced to death for murder, released when trial evidence proven flawed
- Alfred Gell (1945–1997), British social anthropologist
- David Gell (born 1929), Canadian DJ and television presenter
- Edith Mary Gell (1866–1944), English writer and Christian activist
- Harry Dickson Gell (1845–1929), accountant in South Australia
- Heather Gell (1896–1988), daughter of Harry Dickson Gell, Australian kindergarten teacher, eurhythmics pioneer and broadcaster
- John Gell (disambiguation)
- Mary Gell (1894–1978), a medical missionary
- Murray Gell-Mann (1929–2019), American Nobel Prize-winning physicist
- Philip Gell (disambiguation)
- Rob Gell (born 1952), Australian meteorologist and TV weather presenter
- William Gell (1777–1836), English archaeologist and illustrator