François Garnier
François Garnier is the name of the following people:
- François Garnier (composer) (1717–1779), French composer
- François Garnier ( Marie Joseph François Garnier ; 1839–1873), French explorer, see Francis Garnier
- François Garnier (illustrator) (1914–1981), French illustrator
- François Garnier (Archbishop) (1944–2018), French clergyman, Archbishop of Cambrai
- François-Joseph Garnier (1755–1825), French composer