The following buildings in Ireland that are currently in use are landmarks of historical, cultural or governmental significance. For ruins, see National monuments of Ireland.

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  • Albert College Building, Dublin, 1851
  • Aldborough House and The Lord Amiens Theatre, Dublin, 1795
  • American Embassy, Dublin
  • Áras an Uachtaráin, Dublin
  • Ardbraccan House, County Meath
  • Blarney Castle, County Cork
  • Busaras, Dublin
  • Carton House, County Kildare
  • Casino at Marino, Dublin
  • Clarion Hotel, Limerick
  • Christ Church Cathedral, Dublin
  • City Hall, Dublin
  • College Green, Dublin
  • Convention Centre Dublin
  • Courtown Lifeboat Station, County Wexford, 1911
  • The Custom House, Dublin, 1791
  • Dr Steevens' Hospital, Dublin, 1733
  • Dublin Castle
  • Farmleigh, Irish state guesthouse
  • The Four Courts, Dublin
  • General Post Office or GPO, Dublin
  • Government Buildings, Dublin
  • Grand Canal Theatre, Dublin
  • Headfort House, Kells, County Meath
  • The Incorporated Law Society, previously The Blue Coat School, Blackhall Place, Dublin, 1783
  • The Old Parliament House to 1800
  • Iveagh House, Dublin
  • Kilkenny Castle, Kilkenny
  • Kilmainham Jail, Dublin
  • King's Inns, Dublin
  • Leinster House, Dublin
  • Liberty Hall, Dublin
  • Malahide Castle, County Dublin
  • Mansion House, Dublin
  • St. Doulagh's Church, Dublin, built in the 5th century, renovated in the 12th century
  • St. Mary's Church, Dublin, 1627
  • St. Michan's Church, Dublin, 1095
  • Muckross House, County Kerry
  • National Aquatic Centre, Dublin
  • National Concert Hall, Dublin
  • St. Nicholas' Collegiate Church, Galway
  • St. Patrick's Cathedral, Dublin
  • St. Stephens' Church, Dublin - better known to Dubliners as "The Pepper Canister".
  • Powerscourt House and demesne, County Wicklow
  • Powerscourt Townhouse Centre, Dublin
  • Riverpoint, Limerick
  • Russborough House, County Wicklow
  • Rotunda Hospital, Dublin, 1757
  • The Helix, Glasnevin, Dublin
  • Royal Hospital Kilmainham, Dublin
  • Thoor Ballylee, County Galway
  • Trinity College Dublin

See also

  • Market Houses in the Republic of Ireland
  • National monuments of Ireland
  • Irish Architecture Online - comprehensive photo and data on buildings throughout Ireland
  • Dataset comprising photographic documentation of 444 buildings in Dublin, Ireland. A UCD Digital Library Collection.