| Official Name: | Prvonek |
| Settlement Type: | Village (Selo) |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | District |
| Subdivision Name1: | Pčinja District |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Vranjska Banja |
| Unit Pref: | Imperial |
| Population As Of: | 2002 |
| Population Total: | 203 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Prvonek is a village in the municipality of Vranjska Banja, Serbia. At the 2002 census the village had a population of 203 people.[1]