| Băcăinți | |
| Name Other: | Bokaj-patak |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Alba County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Fântânele, Bolovănești, Ceru-Băcăinți, Băcăinți |
| Length: | 14km (09miles) |
| Mouth: | Mureș |
| Mouth Location: | Băcăinți |
| Mouth Coordinates: | 45.9302°N 23.2883°W |
| Basin Size: | 55km2 |
| Tributaries Left: | Curpeni |
The Băcăinți (Hungarian: Bokaj-patak) is a right tributary of the river Mureș in Romania. It discharges into the Mureș in the village Băcăinți. Its length is 14km (09miles) and its basin size is 55km2.