River Calder

Calder River or River Calder may refer to:

Australia

 * Calder River (Tasmania) in north-west Tasmania
 * Calder River (Victoria)
 * Calder River (Western Australia) in the Kimberley region

England

 * River Calder, West Yorkshire, a major tributary of the River Aire
 * River Calder, Cumbria, flows into the Irish Sea near Sellafield
 * River Calder, Lancashire, a major tributary of the River Ribble
 * River Calder, Wyre, Lancashire, a tributary of the River Wyre

Scotland

 * River Calder, Highland, a tributary of the River Spey
 * River Calder, Renfrewshire, near Lochwinnoch
 * Tributaries of the River Clyde:
 * Rotten Calder, near East Kilbride
 * North Calder Water, from the Black Loch to Daldowie
 * South Calder Water, near Wishaw
 * Calder Water, near Strathaven, a tributary of the Avon Water