| Bega Luncanilor | |
| Name Other: | Bega Mare |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Timiș County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Luncanii de Jos, Tomeşti, Românești, Curtea |
| Length: | 28km (17miles) |
| Mouth: | Bega |
| Mouth Location: | Curtea |
| Mouth Coordinates: | 45.8274°N 22.3146°W |
| Basin Size: | 123km2 |
The Bega Luncanilor (also: Bega Mare) is the left headwater of the river Bega in Romania. It is also considered the upper course of the Bega. At its confluence with the Bega Poienilor in Curtea, the Bega is formed.[1] Its length is 28km (17miles) and its basin size is 123km2.
The following rivers are tributaries to the river Bega Luncanilor (in downstream order):