| Official Name: | Vranjak |
| Settlement Type: | Village (Selo) |
| Pushpin Map: | Bosnia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Bosnia and Herzegovina |
| Subdivision Type1: | Republic |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Modriča |
| Unit Pref: | Imperial |
| Population As Of: | 1991 |
| Population Footnotes: | [1] |
| Population Total: | 2370 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 44.9147°N 18.2269°W |
Vranjak (Serbian: Врањак) is a village in the municipality of Modriča, Republika Srpska, Bosnia and Herzegovina.