| Tărlung | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Brașov, Covasna |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Tărlungeni, Budila |
| Length: | 57km (35miles) |
| Source1: | Ciucaș Mountains |
| Mouth: | Râul Negru |
| Mouth Location: | Băcel |
| Mouth Coordinates: | 45.7611°N 25.8296°W |
| Basin Size: | 485km2 |
The Tărlung (in its upper course also: Ramura Mare; Hungarian: Tatrang) is a left tributary of the river Râul Negru in Romania. It discharges into the Râul Negru in Băcel.[1] Its length is 57km (35miles) and drains a basin spanning 485km2.
The following rivers are tributaries to the river Tărlung (from source to mouth):