| Cucuieți | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Cucuieți, Bărnești, Pârjol |
| Length: | 13km (08miles) |
| Source1: | Mount Piatra Șoimului |
| Source1 Location: | Tarcău Mountains |
| Source1 Coordinates: | 46.6033°N 26.4708°W |
| Source1 Elevation: | 811m (2,661feet) |
| Mouth: | Tazlău |
| Mouth Location: | Pârjol |
| Mouth Coordinates: | 46.575°N 26.6231°W |
| Mouth Elevation: | 311m (1,020feet) |
| Basin Size: | 27km2 |
The Cucuieți is a right tributary of the river Tazlău in Romania.[1] It discharges into the Tazlău in Pârjol. Its length is 13km (08miles) and its basin size is 27km2.