| Lanca Birda | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Timiș County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Cerna, Liebling, Iosif, Jebel, Ghilad |
| Length: | 53km (33miles) |
| Mouth: | Timiș |
| Mouth Location: | Gad |
| Mouth Coordinates: | 45.4739°N 20.9824°W |
| Basin Size: | 416km2 |
| Tributaries Left: | Baloanea, Folea, Voiteg |
| Tributaries Right: | Vâna Mare |
The Lanca Birda is a left tributary of the river Timiș in Romania. It discharges into the Timiș in Gad. Its length is 53km (33miles) and its basin size is 416km2. The river was canalized downstream of Ghilad and at present plays the role of drainage canal of the lowlands on the left bank of the Timiș.