| Apa Caldă | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Cluj County |
| Length: | 8km (05miles) |
| Source1: | Apuseni Mountains |
| Mouth: | Beliș |
| Mouth Coordinates: | 46.5914°N 22.9138°W |
| Progression: | Beliș→ |
| Basin Size: | 31km2 |
| Tributaries Right: | Pietroasa |
The Apa Caldă is a right tributary of the river Beliș in Romania. It flows into the Beliș in Poiana Horea.[1] Its length is 8km (05miles) and its basin size is 31km2.