Tiberius Claudius Cogidubnus was a king of the Regni, a tribe in ancient Britain, during the Roman occupation. He ruled in the 1st century AD and was known for his loyalty to the Roman Empire. His reign helped facilitate the integration of Roman culture and governance in Britain. Cogidubnus was granted Roman citizenship and was a client king, meaning he ruled on behalf of the Romans while maintaining some local authority. He is often associated with the construction of Roman villas and the promotion of Roman customs in his kingdom, which contributed to the spread of Roman influence in Britain.