The Talla Railway was a privately constructed railway line in southern Scotland under the Edinburgh Water Company. It was built 1895-97 to aid the construction of the Talla Reservoir, to serve the water demand of Edinburgh. The railway was about 8 mi long, running south from a connection with the Caledonian Railway's Peebles branch at Broughton. A private passenger service was operated for workmen on the reservoir construction.

The reservoir was inaugurated in 1905 and the railway