- Pollienus Auspex (consul under Commodus)
- Pollienus Auspex (consul under Marcus Aurelius)
- Pomponius Januarianus
- Postumius Suagrus
- Pseudo-Alexios II
- Publius Catius Sabinus
- Publius Cornelius Dolabella (suffect consul 35 BC)
- Publius Cornelius Lentulus Marcellinus
- Publius Cornelius Saecularis
- Publius Silius Nerva