| Birdanca | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Timiș County |
| Subdivision Type3: | Towns |
| Subdivision Name3: | Deta |
| Length: | 22km (14miles) |
| Mouth: | Bârzava |
| Mouth Location: | near Denta |
| Mouth Coordinates: | 45.3479°N 21.1919°W |
| Basin Size: | 38km2 |
The Birdanca is a right tributary of the river Bârzava in Romania. It discharges into the Bârzava near Denta.[1] Its length is 22km (14miles) and its basin size is 38km2.