Derwent Valley may refer to:

United Kingdom The valley of the River Derwent, Derbyshire, also: Upper Derwent Valley in Derbyshire Derwent Valley Mills a historic factory site. Derwent Valley line a railway line Derwent Valley Heritage Way Derwent Valley Water Board The valley of the River Derwent, North East England, on the border between County Durham and Northumberland Derwent Valley Railway (County Durham) The valley of the River Derwent, Cumbria in the Lake District The valley of the River Derwent, Yorkshire in Yorkshire Derwent Valley Light Railway a light railway. Derwent Valley Productions a media company.

Tasmania, Australia Derwent Valley, Tasmania, the river valley and geographic area located in southern Tasmania, Australia Derwent Valley Council, the local government body serving the Derwent Valley Derwent Valley Railway (Tasmania), a heritage railway situated in the Derwent Valley

See also River Derwent (disambiguation) Derwent Valley Railway (disambiguation)