Eilean Dubh meaning 'Black Island' in Scottish Gaelic could refer to:
A Scottish island:
- Eilean Dubh, Balnakeil Bay, an island in Balnakeil Bay, near Durness in Sutherland
- Eilean Dubh, Kyles of Bute, an island in the Kyles of Bute
- Eilean Dubh, Loch Craignish, an island in Loch Craignish, south of Oban in Argyll
- Eilean Dubh, Sound of Jura, an island in the Sound of Jura
- Eilean Dubh, Summer Isles, an island in the Summer Isles group
- Eilean Dubh, two separate islets neighbouring Erraid, Inner Hebrides
- Eilean Dubh a small fresh water island in Loch Shiel
- Eilean Dubh a' Chumhainn Mhòir, an island in Loch Tarbert, Jura
- Eilean Dubh Mòr an island in the Firth of Lorne
- Eilean Dubh Beag an island in the Firth of Lorne
An area of Scotland:
- An t-Eilean Dubh, the Gaelic name for the Black Isle area in Ross and Cromarty
A boat:
- Eilean Dubh (ferry), the old Kessock Ferry that used to ply between Inverness and the Black Isle