The Finn Valley Railway (FVR) was a gauge railway in Ireland.
The Finn Valley Railway Company was incorporated by the (23 & 24 Vict. c. xl) on 15 May 1860 with capital of ã60,000 ().
The Chairman of the directors was The 4th Viscount Lifford, whose seat was Meenglass Castle, just south-east of Ballybofey, and the Deputy-Chairman was James Thompson Macky of the Bank of Ireland in Derry.
The other directors were:
The other offices of the company were:
A gauge rail line between Stranorlar and Strabane was opened on 1 October 1863.
The directors entered into a contract with the Irish North Western Railway to work the line for a period of 10 years. This company became amalgamated with the Great Northern Railway (Ireland) in 1876.
In 1892, the line merged with the West Donegal Railway into a new company, the Donegal Railway Company. The line from Stranorlar to Strabane was reconstructed to () gauge shortly afterwards.