| Teslui | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Dolj, Olt |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Gruița, Pielești, Teslui, Dobrosloveni, Fărcașele |
| Length: | 110km (70miles) |
| Mouth: | Olt |
| Mouth Coordinates: | 44.1402°N 24.4639°W |
| Basin Size: | 569km2 |
| Tributaries Left: | Lânga, Scheaua, Potopin |
| Tributaries Right: | Vlașca, Brâncoveanca, Frăsinet |
The Teslui is a right tributary of the river Olt in Romania. It discharges into the Olt in Fărcașele.[1] Its length is 110km (70miles) and its basin size is 569km2.