| Official Name: | Sveti Petar Orehovec |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Koprivnica-Križevci |
| Area Footnotes: | [1] |
| Area Total Km2: | 91.0 |
| Population As Of: | 2021 |
| Population Total: | 3942 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
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.The municipality was formed in 1993.
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.