One of four ‘kings of Cantium’ mentioned by Caesar in his Gallic Wars. (see also; Cingetorix, Segovax and Taximagulus).

The four were allies of the British leader Cassivellaunus, and attacked the Roman naval camp in an attempt to relieve him when he was besieged by Caesar in his stronghold north of the Thames. However the attack failed and Cassivellaunus was forced to seek peace terms.

Evidence for the existence of Carvilius