Sveti Petar Orehovec is a municipality in the Koprivnica-Križevci County in Croatia.

According to the 2011 census, there are 4,583 inhabitants in the area.

In the late 19th century and early 20th century, Sveti Petar Orehovec was part of the Bjelovar-Križevci County of the Kingdom of Croatia-Slavonia.

It was the seat of the Orehovečki noble family.

This Koprivnica-Križevci County geography article is a stub.