Ollolai is a comune at the centre of Barbagia, in the province of Nuoro, Sardinia, Italy.

The main square of the village was created in the early 20th century by diverting the stream that crossed it.

The most famous is Gupunnio, the source of which is in the centre of the village, and was recently renamed Regina Fontium.

Following the 2024 United States presidential election, the town announced it would offer homes in need of renovation for one euro to Americans wishing to relocate to Ollolai.

The town also offers free temporary homes to digital nomads and ready-to-occupy houses for up to €100,000 (US$105,000).