Douglas Water is a river in Lanarkshire which flows into the Clyde.

Douglas Water may also refer to these geographical features in Scotland:

• Douglas Water, Loch Fyne which flows into Loch Fyne
• the Douglas Water which flows into Loch Lomond at Inverbeg, see Glen Douglas
• the Inveruglas Water, which flows into Loch Lomond at Inveruglas
• Douglas Water (hamlet), a hamlet in South Lanarkshire, named after the river

See also

• Douglas Walter, musician and educator
• River Douglas (disambiguation)