Stranorlar ( Irish: Srath to Urláir ) is a town in County Donegal in the northwest of the Republic of Ireland.

Stranorlar located in the eastern part of the county directly across from Ballybofey, together it forms the country's so-called Twin Towns with. It is located in the Finn Valley Stranorlar on the north, Ballybofey on the south bank of the River Finn. Ballybofey Stranorlar had the Census - 2006 consist of 4176 inhabitants.

Stranorlar is located on the N15 from Sligo to Derry City, about midway between Donegal Town to the southwest, and Lifford, the main town of the county, as well as the wider Northern Ireland Strabane eastwards. With a few miles away, Letterkenny, the largest town of the county, Stranorlar is connected by the N56. Since the N56 is a circular route through the county, Stranorlar is passed by many Donegal tourists.

For some 100 years Stranorlar was the center of the railway system in County Donegal; The local railway station was opened in 1863, but closed in 1960 and demolished. In its place, a bus depot for Bus Éireann was built, which is the main depot of Bus Éireann in County Donegal until today. To celebrate the millennium, the old station clock was restored and placed in a newly constructed clock tower at the site of the old station access.

The founder of the Home Rule League, Isaac Butt (1813-1879) is buried in the cemetery of the old Church of Ireland Church in Stranorlar.