Coordinates: 57°58′N 7°00′W / 57.96°N 07.00°W
Amhuinnsuidhe (Scottish Gaelic: Abhainn Suidhe) is a settlement on the Harris, Outer Hebrides in Scotland. It is centred on based on the country house, Amhuinnsuidhe Castle.
Amhuinnsuidhe lies on the northern shore of West Loch Tarbert on the Isle of Harris. It is 8 miles (13 km) northwest of Tarbert.
Amhuinnsuidhe Castle was built in 1865 for Charles Murray, 7th Earl of Dunmore. The castle, as the North Harris Estate, remained in private ownership until 2003.
The 55,000-acre (220 km2) estate was transferred to community ownership in 2003, when the North Harris Trust purchasing the land in a community land purchase. The castle and fishing rights were purchased by Ian Scarr-Hall. They are now operated as Amhuinnsuidhe Castle Estate, a sporting hotel and conference venue,.
Sron Uladail, one of the highest sheer cliffs in the British Isles is located nearby.