| Official Name: | Petrovsko |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 46.16°N 15.84°W |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Krapina-Zagorje |
| Area Footnotes: | [1] |
| Area Total Km2: | 18.9 |
| Population As Of: | 2021 |
| Population Total: | 2270 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
Petrovsko is a village and municipality in Krapina-Zagorje County in Croatia. According to the 2011 census, there were 2,656 inhabitants in the area, with Croats being the majority.