B
- Gnaeus Baebius Tamphilus - consul
- Marcus Baebius Tamphilus - consul
- Quintus Baebius Tamphilus - praetor
- Tiberius Claudius Balbilus - astrologer
- Decius Caelius Calvinus Balbinus - senator/emperor
- Marcus Atius Balbus - praetor, married Julia
- Titus Ampius Balbus - tribune and proconsul
- Lucius Cornelius Balbus (major) - consul
- Lucius Cornelius Balbus (minor) - consul's nephew
- Balbus - surveyor
- Balista - praetorian prefect of Valerian
- Quintus Marcius Barea Soranus - suffect consul
- Quintus Caecilius Bassus - officer
- Caesius Bassus - poet
- Saleius Bassus - epic writer
- Bavius - bad poet mentioned by Virgil
- Belisarius - general
- Lucius Calpurnius Bestia - consul
- Marcus Furius Bibaculus - poet
- Marcus Calpurnius Bibulus - consul
- Quintus Junius Blaesus - suffect consul
- Gaius Blossius - philosophy student
- Anicius Manlius Severinus Boethius (Boethius) - consul, writer
- Vettius Bolanus - suffect consul
- Bonifacius - 4th c. governor of North Africa
- Bonosus - revolted against Probus
- Tiberius Claudius Caesar Britannicus (Britannicus) - son of Claudius
- Bruttidius Niger - aedile
- Lucius Junius Brutus - traditional founder of republic
- Decimus Junius Brutus - commander
- Decimus Junius Brutus Callaicus - consul
- Lucius Junius Brutus Damasippus - praetor
- Brutus, Marcus Junius - two, tribune and tyrannicide
- Sextus Afranius Burrus - procurator
Read more about this topic: List Of Ancient Romans