The River Winterborne is a river in Dorset, England.
The river is a chalk stream and it only flows overground during the winter, hence the name. It flows through a number of villages with a first name of "Winterborne".
It flows through the following villages in Dorset from its source to the point where it joins the River Stour:
- Winterborne Houghton
- Winterborne Stickland
- Winterborne Clenston
- Winterborne Whitechurch
- Winterborne Kingston
- Winterborne Muston
- Winterborne Anderson
- Winterborne Tomson
- Winterborne Zelston
- Almer
- Sturminster Marshall
The river flows at first southwards and then eastwards.
