| Official Name: | Biljača |
| Native Name: | Биљача |
| Native Name Lang: | sr-Cyrl |
| Other Name: | Albanian: Bilaç |
| Settlement Type: | Village |
| Pushpin Map: | Serbia |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | District |
| Subdivision Name1: | Pčinja District |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Bujanovac |
| Unit Pref: | Imperial |
| Population As Of: | 2002 |
| Population Total: | 2036 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 42.3536°N 21.7431°W |
Biljača (Serbian: Биљача; Albanian: Bilaç) is a village in the municipality of Bujanovac, Serbia. According to the 2002 census, the settlement has a population of 2036 people. Of these, 1704 (83,69 %) were ethnic Albanians, 163 (8,00 %) were Serbs, 8 (0,39 %) Turkish, 2 (0,09 %) Hungarians, 2 (0,09 %) Macedonians, and 16 (0,78 %) others.[1]