| Voinești | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Iași County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Voinești |
| Length: | 17km (11miles) |
| Mouth: | Bahlui |
| Mouth Coordinates: | 47.1795°N 27.4301°W |
| Basin Size: | 138km2 |
| Tributaries Left: | Horlești, Săuzeni |
The Voinești is a right tributary of the river Bahlui in Romania. It discharges into the Bahlui in Lețcani. Its length is 17km (11miles) and its basin size is 138km2. Lake Cucuteni is located on the Voinești.