Paullus is a cognomen of ancient Rome, also appearing as an apparent praenomen of several Romans.
- Marcus Aemilius L.f. Paullus, consul 302 BC
- Marcus Aemilius M.f. Paullus, consul 255 BC
- Lucius Aemilius Paullus, consul 219 BC, 216 BC, killed at Battle of Cannae
- Lucius Aemilius Paullus Macedonicus, consul and victor in Battle of Pydna
- Lucius Aemilius Paullus, consul 50 BC
- Aemilius Lepidus Paullus, suffect consul 34 BC
- Paullus Fabius Maximus, consul 11 BC
- Lucius Aemilius Paullus, consul 1 AD
- Paullus Fabius Persicus, consul 34 AD
- Lucius Sergius Paullus, consul 168
