Altinum
Altinum stands for:
- Altinum (city) , an ancient city in the Roman province of Venetia
- a Roman fort in the province of Pannonia Inferior, see Fort Mohács-Kölked
- a Roman fort in the province of Moesia inferior, in the area of today's Oltina (Constanța)
- Titular diocese Altinum , a titular diocese of the Roman Catholic Church