Caithness, Sutherland and Ross (Gaelic: Gallaibh, Cataibh agus Ros) is a constituency of the Scottish Parliament covering the northern part of the Highland council area.

The Caithness, Sutherland and Ross constituency is part of the Highlands and Islands electoral region; the other seven constituencies are Argyll and Bute, Inverness and Nairn, Moray, Na h-Eileanan an Iar, Orkney, Shetland and Skye, Lochaber and Badenoch.

The Highland (council area) is represented in the Scottish Parliament by three constituencies.

These are: Caithness, Sutherland and Ross; Inverness and Nairn and Skye, Lochaber and Badenoch.

The electoral wards used to create the re-drawn Caithness, Sutherland and Ross are: