| Feernic | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Harghita County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Lupeni, Bisericani, Morăreni, Cobătești, Șimonești, Rugănești |
| Length: | 33km (21miles) |
| Mouth: | Târnava Mare |
| Mouth Location: | Cristuru Secuiesc |
| Mouth Coordinates: | 46.2878°N 25.0616°W |
| Basin Size: | 195km2 |
| Tributaries Right: | Gada, Salon, Feneș, Turdeni |
The Feernic is a right tributary of the river Târnava Mare in Romania. It discharges into the Târnava Mare near Cristuru Secuiesc. Its length is 33km (21miles) and its basin size is 195km2.