| Răcătău | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Length: | 28km (17miles) |
| Mouth: | Siret |
| Mouth Coordinates: | 46.3666°N 27.0343°W |
| Basin Size: | 181km2 |
| Tributaries Left: | Zlătari, Parincea, Nănești |
| Tributaries Right: | Răchițaua |
The Răcătău is a left tributary of the river Siret in Romania.[1] It discharges into the Siret at Răcătău de Jos.[2] The basin size of the 28km (17miles) long Răcătău is 181km2.