NHS Western Isles, also known as Bòrd SSN nan Eilean Siar in Gaelic, is the health board serving the Western Isles of Scotland. It is one of the regions of NHS Scotland. NHS Western Isles is responsible for providing primary and secondary healthcare to the 26 000 people in the Outer Hebrides.
The board runs three hospitals, with the main general hospital being the Western Isles Hospital or Ospadal nan Eilean Siar in the burgh of Stornoway on the Isle of Lewis. There is also the Uist and Barra Hospital, Ospadal Uibhist agus Bharraigh, on Benbecula and the general practitioner led St Brendan's Hospital on Barra.