| Răcăciuni | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Fundu Răcăciuni, Ciucani, Răcăciuni |
| Length: | 21km (13miles) |
| Mouth: | Siret |
| Mouth Location: | near Răcăciuni |
| Mouth Coordinates: | 46.3246°N 27.0489°W |
| Basin Size: | 83km2 |
| Tributaries Left: | Valea Lungă |
| Tributaries Right: | Căprean |
| Custom Label: | River code |
| Custom Data: | XII.1.60 |
The Răcăciuni is a right tributary of the river Siret in Romania.[1] It flows into the Siret near the village Răcăciuni.[2] Its length is 21km (13miles) and its basin size is 83km2.