Loch Dubh ("Black Loch") may refer to the following lochs in Scotland:
Loch Dubh, Loch Ard Forest Dubh Loch, Glen Muick, in Aberdeenshire, Scotland Loch Dubh, Argyll, inflow River Shira, outflow River Garron, into Loch Fyne, in Argyll and Bute, Scotland or to Loch Dubh Hydro-Electric Scheme in Ross and Cromarty, Scotland