From Middle English Carlele, from Old English Carleol, Carleul, from Old Welsh Caer Lualid, Caer Ligualid, from Proto-Brythonic *kair (“fort”) + Latin Luguvalium, from Proto-Celtic *Luguwalos (personal name, literally “strength of Lugus”), from *Lugus + *walos (“stength”), from Proto-Indo-European *h₂welh₁-.
- A city and local government district in and the county town of Cumbria, and formerly of Cumberland, in northwestern England.
- A home rule city, the county seat of Nicholas County, Kentucky, United States.
- A borough, the county seat of Cumberland County, Pennsylvania, United States.
- A habitational surname.