Ulster railways, present and past, include:
Northern Ireland Railways, formerly Ulster Transport Authority
Heritage railways List of heritage railways in Northern Ireland
Former railway companies Annaghmore Turf Railway Ballycastle Railway Belfast Central Railway Belfast and County Down Railway and its constituents: Belfast, Hollywood and Bangor Railway Downpatrick, Dundrum and Newcastle Railway Belfast and Northern Counties Railway and its constituents: Belfast and Ballymena Railway Ballymena, Ballymoney, Coleraine and Portrush Junction Railway Ballymena, Cushendall and Red Bay Railway Ballymena and Larne Railway Carrickfergus and Larne Railway Derry Central Railway Draperstown Railway Londonderry and Coleraine Railway Limavady and Dungiven Railway Portstewart Tramway Belfast Harbour Commissioners Belfast Street Tramways Bessbrook and Newry Tramway Carnlough Lime Company City of Derry Tramways County Donegal Railways Joint Committee and its constituents: Donegal Railway Finn Valley Railway Strabane and Letterkenny Railway West Donegal Railway Clogher Valley Railway Castlederg and Victoria Bridge Railway Dundalk, Newry and Greenore Railway Giant's Causeway, Portrush and Bush Valley Railway & Tramway Glenariff Iron Ore and Harbour Company Glenanne and Loughgilly Tramway Great Northern Railway (Ireland) and its constituents in Ulster: Banbridge, Lisburn and Belfast Railway Banbridge, Newry, Dublin and Belfast Junction Railway Belfast Central Railway Castleblayney, Keady and Armagh Railway Dublin and Antrim Junction Railway Dublin and Belfast Junction Railway Dundalk and Enniskillen Railway Enniskillen and Bundoran Railway Irish North Western Railway Londonderry and Enniskillen Railway Newry and Armagh Railway Newry, Warrenpoint and Rostrevor Railway Northern Railway of Ireland Portadown, Dungannon and Omagh Railway Town of Newry Connecting Railway Ulster Railway Londonderry Port and Harbour Commissioners Londonderry and Lough Swilly Railway and its constituents: Burtonport Extension Railway Cardonagh Extension Railway Letterkenny Railway Northern Counties Committee Sligo, Leitrim and Northern Counties Railway Trostan Mineral Railway Ulster Transport Authority Warrenpoint and Rostrevor Tramway
See also
List of narrow gauge railways in Ireland History of rail transport in Ireland