Publius was an ancient Roman given name ( praenomen ). It comes from the Latin populus , which means "people", originally also "army". The name came up quite often. On inscriptions it was abbreviated with a P.
- Several politicians and generals with the name Publius Cornelius Scipio
- Publius Quinctilius Varus , Roman commander in the Varus Battle named after him
- Publius Clodius Pulcher , Roman tribune
- Publius Vergilius Maro ( Virgil for short ), Roman poet
- Publius Valerius Poplicola , one of the first consuls of the Roman Republic
- Publius Septimius Geta , Roman Emperor in 211
- Saint Publius , according to legend, the first bishop of Malta
- Publius Aelius Fortunatus , Roman painter and freedman
- Publius Servilius Casca Longus
- Publius Ovidius Naso ( Ovid for short ), Roman poet
- Publius Falcidius, tribune and namesake of the Falcidic law
- Gaius Marius Marcellus Octavius Publius Cluvius Rufus , Roman suffect consul 80
As a pseudonym
- John Madison, Alexander Hamilton and John Jay published the Federalist Papers under the pseudonym Publius .