| Ojdula River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Covasna County |
| Tributaries | |
| - left | Orbai |
| - right | Orbaiul Mic |
| Villages | Ojdula |
| Source | |
| - location | Junction of headwaters Orbai and Orbaiul Mic |
| Mouth | Râul Negru |
| Length | 17 km (11 mi) |
| Basin | 48 km2 (19 sq mi) |
The Ojdula River is a tributary of the Râul Negru in Romania. It starts at the junction of headwaters Orbai and Orbaiul Mic