Richard III of Capua is anointed as Prince two weeks before his untimely death.

Richard III was count of Aversa and prince of Capua briefly in 1120 between his anointing on 27 May and his death; he was the only son and heir of Robert I of Capua. He was an infant when his father died, and he fell under the regency of his uncle, Jordan. Richard III died within a few months and, though no contemporary chronicler blames him, some modern historians have cast doubt on Jordan's innocence. Jordan did succeed unopposed to the diminished Capuan throne.

This is a list of the rulers of the Principality of Capua.