Charles Didier (15 September 1805 – 7 March 1864) was a Swiss writer, poet and traveller.
Charles Didier followed classic studies in Geneva, where he published two collections of poems, La Harpe helvétique (1825) and Mélodies helvétiques (1825).
In 1827, attracted by the myth of Italy, he decided to undertake a trip to the peninsula, where he went as a tutor. In 1829 his travels took him to Sicily.
On his return from Italy in 1830, he moved to Paris, where he became for a few years, George Sand's lover, "ill-maried" and divorced from Casimir Dudevant, along Michel de Bourges and the actor Bocage
Prevented by impending blindness, to take the road to the East, Charles Didier ended his life by committing suicide March 7, 1864 in Paris after long suffering.