Codevilla is a comune located in the Province of Pavia within the Lombardy region of Italy. It is situated approximately 60 km (37 mi) south of Milan and about 25 km (16 mi) southwest of Pavia.
As of December 31, 2004, the municipality covered an area of 13.0 km² (5.0 sq mi) and had a population of 955 residents.