Charlton \ch(a)-rl-ton, char-lton\ as a boy's name is pronounced CHARL-ten. It is of Old English origin, and the meaning of Charlton is "free peasant's settlement". Also possibly a variation on Carlton. The first element of the place name is connected with Charles. Actor Charlton Heston.
Charlton has 4 variant forms: Carleton, Carlton, Charleston and Charleton.
A baby name that sounds like Charlton is Charlot.