The Centenary Cup was a Gaelic Games competition arranged by the Gaelic Athletic Association to mark the centenary of the GAA in 1984. This was followed by the similar, but less popular Open Draw in 1985.
The hurling competition was won by Cork and the football competition was won by Meath.
Hurling
| Match | Date | Venue | Team | Score | Team | Score |
|---|---|---|---|---|---|---|
| Preliminary Round | April 15 | Portaferry | Westmeath | 2-14 | Down | 1-10 |
| Preliminary Round | April 15 | Athleague | Roscommon | 3-5 | Wexford | 2-7 |
| 1st Round | April 28 | Loughrea | Galway | 2-17 | Dublin | 0-8 |
| 1st Round | April 29 | Casement Park | Waterford | 3-12 | Antrim | 3-11 |
| 1st Round | April 29 | Newbridge | Tipperary | 5-20 | Kildare | 4-7 |
| 1st Round | April 29 | Borris-in-Ossory | Laois | 2-9 | Limerick | 2-8 |
| 1st Round | April 29 | Athleague | Cork | 3-18 | Roscommon | 1-8 |
| 1st Round | April 29 | Limerick | Clare | 4-10 | Kerry | 0-9 |
| 1st Round | April 29 | Aughrim | Kilkenny | 3-17 | Wicklow | 2-8 |
| 1st Round | April 29 | Mullingar | Offaly | 1-15 | Westmeath | 0-14 |
| Quarter-final | May 6 | Semple Stadium | Galway | 3-14 | Waterford | 2-8 |
| Quarter-final | May 6 | Nowlan Park | Laois | 1-17 | Tipperary | 4-7 |
| Quarter-final | May 6 | Semple Stadium | Cork | 0-14 | Clare | 1-5 |
| Quarter-final | May 6 | Croke Park | Offaly | 1-17 | Kilkenny | 2-11 |
| Semi-final | May 13 | Semple Stadium | Laois | 5-7 | Galway | 4-9 |
| Semi-final | May 13 | Semple Stadium | Cork | 1-15 | Offaly | 3-7 |
| Final | May 20 | Croke Park | Cork | 2-21 | Laois | 1-9 |
Football
| Match | Date | Venue | Team | Score | Team | Score |
|---|---|---|---|---|---|---|
| 1st Round | April 8 | Ballybofey | Kerry | 0-11 | Donegal | 0-8 |
| 1st Round | April 8 | Pearse Park (aet) | Longford | 1-9 | Down | 0-11 |
| 1st Round | April 8 | Dr. Cullen Park | Meath | 4-10 | Carlow | 0-9 |
| 1st Round | April 8 | Aughrim | Wicklow | 1-10 | Clare | 0-7 |
| 1st Round | April 8 | Lurgan | Wexford | 3-3 | Armagh | 0-6 |
| 1st Round | April 8 | Cusack Park | Westmeath | 0-7 | Dublin | 0-5 |
| 1st Round | April 8 | Ballinascreen | Derry | 0-7 | Cork | 0-6 |
| 1st Round | April 8 | Emmet Park | Monaghan | 0-15 | Limerick | 1-8 |
| 1st Round | April 8 | Páirc Sheáin Mhic Dhiarmada | Galway | 1-9 | Leitrim | 1-7 |
| 1st Round | April 8 | Casement Park | Fermanagh | 0-10 | Antrim | 1-6 |
| 1st Round | April 8 | Drogheda | Cavan | 0-9 | Louth | 0-5 |
| 1st Round | April 8 | Markievicz Park | Mayo | 1-8 | Sligo | 1-5 |
| 1st Round | April 8 | Nowlan Park | Roscommon | 1-14 | Kilkenny | 0-7 |
| 1st Round | April 8 | Dungarvan | Offaly | 1-13 | Waterford | 2-6 |
| 1st Round | April 8 | Dungannon | Tyrone | 2-7 | Kildare | 0-10 |
| 1st Round | April 8 | Cahir | Laois | 0-11 | Tipperary | 0-8 |
| 2nd Round | April 21 | Tuam (aet) | Derry | 2-11 | Kerry | 1-13 |
| 2nd Round | April 21 | Tuam | Galway | 0-14 | Longford | 1-7 |
| 2nd Round | April 29 | Breffni Park (aet) | Cavan | 2-17 | Roscommon | 0-10 |
| 2nd Round | April 29 | Dungannon | Offaly | 0-12 | Tyrone | 0-11 |
| 2nd Round | April 29 | Portarlington | Meath | 1-9 | Laois | 1-6 |
| 2nd Round | April 29 | Irvinestown | Wicklow | 0-9 | Fermanagh | 1-5 |
| 2nd Round | April 29 | Ballina | Monaghan | 1-11 | Mayo | 0-6 |
| 2nd Round | April 29 | Wexford Park | Wexford | 3-10 | Westmeath | 0-4 |
| Quarter-final | May 6 | Tullamore | Meath | 2-18 | Galway | 0-11 |
| Quarter-final | May 6 | Newbridge | Cavan | 1-9 | Wexford | 1-7 |
| Quarter-final | May 6 | Croke Park | Monaghan | 1-10 | Offaly | 0-10 |
| Quarter-final | May 6 | Navan | Derry | 3-10 | Wicklow | 0-6 |
| Semi-final | May 13 | Croke Park | Meath | 3-12 | Cavan | 0-8 |
| Semi-final | May 13 | Croke Park | Monaghan | 0-22 | Derry | 2-11 |
| Final | May 20 | Croke Park | Meath | 0-10 | Monaghan | 0-8 |
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