List of tallest structures in Ireland
This is a list of the tallest structures on the island of Ireland.
Those in Northern Ireland are denoted by a light blue background, the rest are in the Republic of Ireland.
Tallest structures
| Rank | Name | Location | County | Year completed | Pinnacle height | Pinnacle height | Type | Coordinates | Remarks |
| 1 | Strabane transmitting station | Legfordrum | |||||||
| 6 | Poolbeg power station, Chimney 1 | Poolbeg | Dublin | 1970 | 207.48 m | 681 ft | Chimney | ||
| 7 | Kilroot power station chimney | Kilroot | Antrim | 1981 | 198 m | 650 ft | Chimney | ||
| 8 | Drumlins Park Wind Farm | Newbliss | Monaghan | 2024 | 180 m | 590 ft | wind turbine | ||
| 9 | Liffey meats wind turbine | Ballyjamesduff | Cavan | 2017 | 169 m | 554 ft | wind turbine | ||
| 10 | Truskmore transmitter | Sligo | Sligo | 1962 | 167.64 m | 550 ft | Guyed mast | ||
| 11 | Divis transmitting station | Hannahstown | Antrim | 1955 | 166 m | 545 ft | stayed mast | Was 141.7 m but replaced in 2011 Note these are a pair of twin masts. | |
| 12 | Three Rock transmitter | Dublin | Dublin | 2002 | 152.4 m | 500 ft | Guyed mast | ||
| 13 | Aghada Power Station Chimney | Cork | Cork | ? | 152 m | 499 ft | Chimney | ||
| 14 | Tarbert Power Station, Chimney of Unit 3 and 4 | Tarbert | Kerry | 1975 | 151 m | 497 ft | Chimney | ||
| 15 | Lisnagarvey transmitting station | Magherageery | Down | 1936 | 145 m | 476 ft | Guyed mast | It was 145 m when built, but has since been lowered in height to 99m | |
| 16 | Greystones Wind farm | Greystones | Wicklow | ? | 139.29 m | 457 ft | Wind turbines | ||
| 17 | Great Island Power Station Chimney | Wexford | Wexford | ? | 138 m | 453 ft | Chimney | ; | |
| 18 | Kippure transmitter | Kippure mountain | border of Dublin and Wicklow | 1961 | 127 m | 416 ft | Guyed mast | ||
| 19 | Ballylumford Power Station Chimneys | Islandmagee | Antrim | 1974 | 126 m | 413 ft | Chimney | 54.845 n5.787w | |
| 20 | Kinnegad Cement Factory Chimney | Killaskillen | |||||||
| 28 | Donnybrook Mast | RTÉ campus | Dublin | 1961 | 109.7 m | 360 ft | Lattice tower | ||
| 29 | Moanvaun Wind farm | Tipperary | Tipperary | ? | 107.3 m | 352 ft | Wind turbines | ||
| 30 | Aughinish Alumina Plant Chimney | Limerick | Limerick | ? | 107 m | 351 ft | Chimney | ||
| 31 | Kiln of Limerick Cement Factory | Limerick | Limerick | ? | 107 m | 351 ft | Chimney | ||
| 32 | Samson, Harland and Wolff | Belfast | Antrim | 1974 | 106 m | 348 ft | Crane | ||
| 33 | Kiln of Platin Cement Factory | Platin | Meath | ? | 103.9 m | 341 ft | Klin | ||
| 34 | Ballywater Wind Farm | Wexford | Wexford | ? | 103 m | 338 ft | Wind turbines | ||
| 35 | Athlone transmitter | Athlone | Westmeath | 1933 | 100 m | 328 ft | Guyed Mast | ; | Two guyed masts insulated against ground carried a T-antenna for broadcasting on 612 kHz. One of the two masts dismantled in 2011 |
| 36 | Codling Banks Mast | Wicklow | Wicklow | ? | 100 m | 328 ft | Guyed Mast | Offshore structure | |
| 37 | Coreen Wind farm | Cavan | Cavan | ? | 100 m | 328 ft | Wind turbines | ||
| 38 | Snugborough Wind farm | Cavan | Cavan | ? | 100 m | 328 ft | Wind turbines | ||
| 39 | Gartnaneane Wind farm | Cavan | Cavan | ? | 100 m | 328 ft | Wind turbines | ||
| 40 | Coomatallin Wind farm | Cork | Cork | ? | 100 m | 328 ft | Wind turbines | ||
| 41 | Meentycat Wind farm | Cork | Cork | ? | 100 m | 328 ft | Wind turbines | ||
| 42 | Beal Wind farm | Kerry | Kerry | ? | 100 m | 328 ft | Wind turbines | ||
| 43 | Beam Wind farm | ? | Donegal | ? | 99 m | 325 ft | Wind turbines | ||
| 44 | Goliath, Harland and Wolff | Belfast | Antrim | 1969 | 96 m | 315 ft | Crane | ||
| 45 | Mount Eagle Wind farm | Donegal | Donegal | ? | 95.7 m | 314 ft | Wind turbines | ||
| 46 | Mweelin TV Mast | Achill Island | Mayo | ? | 91.44 m | 300 ft | Guyed mast | ||
| 47 | Dún Laoghaire Cranes | Dublin | Dublin | ? | 91.4 m | 300 ft | Crane | ||
| 48 | Bealadangan Radio Mast | Galway | Galway | ? | 91.4 m | 300 ft | Partially guyed tower | Was used for RTÉ RnaG, now dismantled | |
| 49 | Cark Wind farm | Donegal | Donegal | ? | 91.1 m | 299 ft | Wind turbines | ||
| 50 | Greenoge Wind farm | Wexford | Wexford | ? | 90.2 m | 296 ft | Wind turbines | ||
| 51 | Dublin Airport ATC Tower | Collinstown | Dublin | 2019 | 86.9 m | 285 ft | Air traffic control tower |
Other categories
Entries in the list that are in Northern Ireland are denoted by an asterisk, the others being in the Republic of Ireland.;Sculptures:Spire of Dublin,
;Gantry Cranes:"Samson", Harland and Wolff, Belfast*,
;Bridges:River Suir Bridge, Waterford,
;Windmills:Kilgarvan Wind Farm,
;Obelisks:Wellington Monument, Phoenix Park,
;Lighthouses:Fastnet Rock Lighthouse,
;Stadiums:Croke Park,
;Air traffic control towers:Dublin Airport ATC Tower,
;Moving sculptures:Irish Wave, Park West, Dublin,
;Round towers:Kilmacduagh monastery,
;Castles:Nenagh Castle Keep,
;Standing stones:Punchestown,
;High crosses:Muiredach's High Cross, Monasterboice,
Former
- Tullamore transmitter, 290 m, demolished 2023
- Clarkstown radio transmitter, 248 m demolished 2023
- Bellacorick Cooling Tower, 89 m, demolished 2007
- Arrol Gantry, 70 m, demolished 1969
- Churchill House, Belfast, 66 m, demolished 2004
- Boyne Obelisk, 53 m, destroyed 1923
- Ballymun Flats, 42 m, demolished 2004–2015
- Nelson's Pillar Monument, 41 m, destroyed 1966
- Walker's Monument, 32 m destroyed 1973