Bonosus may refer to any of:
Bonosus (usurper) (), a Romano-British naval officer and usurper Bonosus of Trier, bishop of Trier (-373) Bonosus of Naissus, bishop of Naissus () Bonosus of Sardica, bishop of Sardica (–414), heresiarch of the Bonosians
See also Bonus (Sirmium) (), a Byzantine general who defended Sirmium during a Gepid invasion erroneously recorded as "Bonosus" in some histories Bonus (patrician) (), a Byzantine general erroneously recorded as "Bonosus" in some histories Bonus (disambiguation)