| Ostrovec | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | South Bohemian |
| Subdivision Type2: | District |
| Subdivision Name2: | Písek |
| Pushpin Map: | Czech Republic |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location in the Czech Republic |
| Coordinates: | 49.4208°N 14.1172°W |
| Established Title: | First mentioned |
| Established Date: | 1323 |
| Area Total Km2: | 20.57 |
| Elevation M: | 383 |
| Population As Of: | 2024-01-01 |
| Population Footnotes: | [1] |
| Population Total: | 361 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 398 33 |
Ostrovec is a municipality in Písek District in the South Bohemian Region of the Czech Republic. It has about 400 inhabitants.
Ostrovec lies approximately 14km (09miles) north of Písek, 56km (35miles) north-west of České Budějovice, and 78km (48miles) south of Prague.
The municipality is made up of the villages of Dědovice, Dolní Ostrovec and Horní Ostrovec.