Chasles is a surname. Notable people with the surname include:
Adelphe Chasles (1795–1868), French politician Jeanne Chasles (1869–1939), French dancer Michel Chasles (1793–1880), French mathematician Philarète Chasles (1798–1873), French critic and belletrist
See also 18510 Chasles, minor planet Chasles' theorem, a number of mathematical theorems La Lande-Chasles, commune in the Maine-et-Loire department in western France