| Official Name: | Sveta Petka |
| Native Name: | Света Петка |
| Settlement Type: | Village |
| Pushpin Map: | Serbia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southern and Eastern Serbia |
| Subdivision Type2: | District |
| Subdivision Name2: | Pčinja |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Bujanovac |
| Unit Pref: | Imperial |
| Population As Of: | 2002 |
| Population Total: | 334 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 42.3972°N 21.8697°W |
| Elevation M: | 486 |
Sveta Petka (Serbian: Света Петка) is a village in the municipality of Bujanovac, Serbia. According to the 2002 census, the village has a population of 334 inhabitants. It has an area of 55.69 km2.[1]
| 1948 | 1953 | 1961 | 1971 | 1981 | 1991 | 2002 | |
| 323 | 341 | 319 | 295 | 308 | 307 | 334 |