The following is a list of Sites of Special Scientific Interest in the North West Sutherland Area of Search; for South East Sutherland see List of SSSIs in South East Sutherland. For SSSIs elsewhere in Scotland, see List of SSSIs by Area of Search.
- Aird Torrisdale
- Altnaharra
- A' Mhoine
- Ardvar Woodlands
- Armadale Gorge
- Assynt Lochs
- Bad na Gallaig
- Ben Griams
- Ben Hope
- Ben Hutig
- Ben Klibreck
- Ben Loyal
- Ben More Assynt
- Cam Loch
- Cape Wrath
- Carn A'Mhadaidh
- Cnoc an Alaskie
- Druim na Coibe
- Druim nam Bad
- Durness
- East Halladale
- Eilean Hoan
- Eilean nan RÃēn
- Eriboll
- Foinaven
- Forsinard Bogs
- Handa Island
- Inverhope
- Invernaver
- Inverpolly
- Knockan Cliff
- Knockfin Heights
- Laxford Moors
- Loch a' Mhuilinn
- Loch Awe and Loch Ailsh
- Loch Beannach Islands
- Loch Glencoul
- Loch Laxford
- Loch Meadie Peatlands
- Loch Stack
- Loch Urigill
- Lochan Buidhe Mires
- Lon a' Chuil
- Mallart
- Red Point Coast
- River Borgie
- Rumsdale Peatlands
- Scourie Coast
- Sheigra - Oldshore More
- Skelpick Peatlands
- Skinsdale Peatlands
- Sletill Peatlands
- Southern Parphe
- Stack Woods
- Strathy Bogs
- Strathy Coast
- Syre Peatlands
- Truderscaig
- West Borgie
- West Halladale
- West Strathnaver