Pontianus
Pontianus may refer to:
- Pontianus of Spoleto, martyr of the 2nd century and patron saint of that city
 - Sicinius Pontianus, friend of Apuleius
 - Pontianus Africae, 6th-century bishop
 - Pontianus of Nicomedia, a character in Deipnosophistae, a 3rd-century work by Athaenaeus