List of heritage railways in the Republic of Ireland

There are a number of heritage railways in the Republic of Ireland, reflecting Ireland's long history of rail transport.

Heritage railways
Some of the main sites include:
 * County Donegal Railways Joint Committee, commemorated by the Donegal Railway Centre in County Donegal, which once had two narrow gauge railway systems.
 * Dromod railway station, County Leitrim, former station on the original Cavan and Leitrim Railway.
 * Waterford and Suir Valley Railway, running a short narrow gauge railway for several miles, along the former mainline route from Waterford to Mallow.
 * Clonmacnoise and West Offaly Railway in County Offaly, run by Bord na Móna, near Shannonbridge.
 * Cumann Traenach na Gaeltachta Láir, based in Fintown, it runs along the length of Lough Finn to Glenties Line for about a mile.
 * West Clare Railway, beginning in Ennis.
 * Tralee and Dingle Light Railway, between Tralee and Dingle.
 * Listowel and Ballybunion Railway, a section of the Lartigue Monorail system has been restored for visitors in Listowel.

Preservation groups
Preservation groups in Ireland include:
 * Railway Preservation Society of Ireland, based in Whitehead, County Antrim in Northern Ireland, runs railtours on the Dublin-Rosslare railway line with "Sea-Breeze" trains, along with Santa specials between Dublin and Maynooth in December. Some restoration work is carried out in the Dublin area and at Mullingar.
 * Irish Traction Group, based in Carrick-on-Suir, County Tipperary, has a diesel locomotive collection at the site by the Limerick–Waterford railway route. ITG also run regular railtours around the country, sometimes with older (but still in regular use), Iarnród Éireann locomotives and rolling stock.
 * Irish Steam Preservation Society, based in Stradbally, County Laois. Operates a 3ft narrow gauge railway with vinatge steam and diesel locomotives.