Charlet is a surname. Notable people with the surname include:
Armand Charlet (1900–1975), French mountain climber and guide
Blanche Charlet (1898–1985), British agent and French resistance fighter in World War II
Étienne Charlet (1756–1795), French general of the French Revolutionary Wars
Isabella Charlet-Straton (1838–1918), British mountain climber
Nicolas Toussaint Charlet (1792–1845), French painter of military subjects
René Charlet (1903–?), French bobsledder
