| Tarna Mare | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Satu Mare County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Tarna Mare, Bocicău |
| Length: | 17km (11miles) |
| Mouth: | Bătarci |
| Mouth Coordinates: | 48.0695°N 23.1156°W |
| Progression: | Bătarci→ |
| Basin Size: | 51km2 |
The Tarna Mare is a right tributary of the river Bătarci in Romania. It flows into the Bătarci near Șirlău. Its length is 17km (11miles) and its basin size is 51km2.