List of heritage railways in Northern Ireland
- The Downpatrick & Co Down Railway in County Down is located on part of the former Belfast & County Down Railway. Two and a half miles track has been relaid to Inch Abbey on the old route to Belfast, and a further one mile laid along the old route to Newcastle. It operates with preserved steam and diesel locomotives and vintage wooden carriages.
- The Railway Preservation Society of Ireland headquarters, in Whitehead, County Antrim. A large selection of steam locomotives and preserved rolling stock can be seen. Although there is not an actual heritage railway in Whitehead, there are regular railtours with the preserved stock running to various destinations in Ireland.
- The Giant's Causeway and Bushmills Railway on the north coast in County Antrim. Steam-powered services run from the Giant's Causeway to Bushmills. Laid on part of the course of the original Giant's Causeway Tramway which was electric-powered, with its own hydroelectric plant – the first such system in the world.
- The Foyle Valley Railway, in County Londonderry. The project has faced some difficulties, but does hold a quantity of preserved railway stock, on part of one of Derry city's closed railway routes (the city once had four stations). 
- Conservation in the United Kingdom
- List of Conservation topics
- List of heritage railways
- List of heritage railways in the Republic of Ireland
- List of narrow gauge railways in Ireland
- Ulster Folk and Transport Museum