Tahay
| Scottish Gaelic name | Taghaigh |
|---|---|
| Old Norse name | Tagg-øy |
| Meaning of name | island with a prominent hill |
| Location | |
| OS grid reference | NF965755 |
| Coordinates | 57°40′N 7°05′W / 57.67°N 7.09°W |
| Physical geography | |
| Island group | Uists & Barra |
| Area | 53 ha (130 acres) |
| Area rank | 196= |
| Highest elevation | 65 m (213 ft) |
| Administration | |
| Council area | Na h-Eileanan Siar |
| Country | Scotland |
| Sovereign state | United Kingdom |
| Demographics | |
| Population | 0 |
| References | |
Tahay (Scottish Gaelic: Taghaigh) is an island in the Outer Hebrides of Scotland. The name originates from the Old Norse tagg-øy meaning island with a prominent hill. At 53 hectares (130 acres) in area and with a central peak of 65 metres (213 ft), it is the largest of the group of uninhabited islands off the north east coast of North Uist.
The island is used for sheep grazing and peat cutting.