The River Leam (/ˈlɛm/ LEM) is a river which rises at Hellidon Hill in Northamptonshire then flows through rural Warwickshire, including the town of Leamington Spa. It flows into the Warwickshire Avon, a left bank tributary of the Severn.
River Leame is given as an alternative spelling in Merriam-Webster's Geographical Dictionary.
Its major tributaries are Rains Brook, River Itchen, River Stowe and Radford Brook.
Coordinates: 52°17′N 1°33′W / 52.283°N 1.550°W