Olevano di Lomellina is a comune, or municipality, situated in the Province of Pavia within the Lombardy region of northern Italy. It is located approximately 45 km southwest of Milan and 35 km west of the provincial capital, Pavia.
The town serves as a local administrative center in the Lomellina area. Its geographic position places it within the heart of the Lombardy countryside, characterized by its proximity to major regional hubs.