| Homocioaia | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Buzău County |
| Length: | 7km (04miles) |
| Mouth: | Slănic |
| Mouth Location: | Gura Dimienii |
| Mouth Coordinates: | 45.4033°N 26.7625°W |
| Mouth Elevation: | 246m (807feet) |
| Basin Size: | 21km2 |
The Homocioaia is a left tributary of the river Slănic in Romania. It discharges into the Slănic in Gura Dimienii. Its length is 7km (04miles) and its basin size is 21km2.