Gandon is a surname. Notable people with the surname include:
- James Gandon (1743–1823), English architect who worked in Ireland
- Nick Gandon (born 1956), English cricketer
- Pierre Gandon (1899–1990), French illustrator and engraver
- Jeremy Gandon (born 1996), French professional golf player
Gandon may also refer to
- The municipality of Gandon in Senegal
- Russian and Armenian slang for condom or scumbag