Gamelin can mean:
- People
- Gamelin (bishop) (died 1271), a Bishop of St Andrews
- Jacques Gamelin (1738–1803), a French artist
- Maurice Gamelin (1872–1958), French general in command of the French forces at the start of World War II and during the Battle of France
- Other
- Gamelin (electoral district) An electoral district in Canada,.
- A former spelling of the Indonesian gamelan orchestra.