Irish Amateur Close Championship played @ Malone Golf Club 18th to 20th August 2023
| Result | Score | Champion | Club | Rounds |
| Stroke | Play | 64 Qualified | ||
| Total | Player | Club | Rounds | |
| T-1st | 279 |
Robert Moran | Castle G. C. |
68, 71, 66 & 74 |
| T-1st | 279 |
Quentin Carew | Castleknock G. C. | 70, 68, 70 & 71 |
| 3rd | 281 | Jack Hearn | Tramore G. C. | 70, 67, 72 & 72 |
| 4th | 282 | Keith Egan | Carton House G. C. | 66, 74, 69 & 73 |
| T-5th | 285 | Liam Nolan | Galway G. C. | 70, 72, 73 & 70 |
| T-5th | 285 | Brandon St. John | Portmarnock G. C. | 72, 69, 73 & 71 |
| T-5th | 285 | Adam Cromwell | Co. Antrim G. C. | 69, 71, 70 & 75 |
| T-5th | 285 | Simon Ward | Belvoir Park G. C. | 68, 72, 72 & 73 |
| T-9th | 287 | Simon Walker | Roscommon G. C. | 71, 71, 75 & 70 |
| T-9th | 287 | Calum Ward | Carton House G. C. | 75, 69, 66 & 77 |
| T-1th | 288 | Marc Boucher | Carton House G. C. | 74, 73, 73 & 68 |
| T-11th | 288 | Darcy Hogg | Belvoir Park G. C. | 70, 74, 74 & 70 |
| T-11th | 288 | Rían Carvill | Warrenpoint G. C. | 73, 74, 70 & 71 |
| T-14th | 289 | Jack Blake | The Island G. C. | 73, 71, 75 & 70 |
| T-14th | 289 | Harry Mcardle | Warrenpoint G. C. | 73, 72, 74 & 70 |
| T-14th | 289 | Aaron Marshall | Lisburn G. C. | 72, 75, 70 & 72 |
| T-14th | 289 | Marc Norton | Belvoir Park G. C. | 71, 72, 73 & 73 |
| T-18th | 290 | Jack McDonnell | Forrest Little G. C. | 69, 76, 74 & 71 |
| T-18th | 290 | Gerard Dunne | Co. Louth G. C. | 71, 76, 72 & 71 |
| T-18th | 290 | Peter Okeeffe | Douglas G. C. | 74, 73, 70 & 73 |
| T-18th | 290 | Jamie Butler | Killeen G. C. | 72, 72, 73 & 73 |
| T-18th | 290 | Jordan Boles | Chareville G. C. | 69, 72, 72 & 77 |
| T-18th | 290 | Scott Jones | Belvoir Park G. C. | 74, 67, 70 & 79 |
| 24th | 291 | Jake Foley | Elm Park G. C. | 73, 74, 74 & 70 |
| T-25th | 292 | Paul Coughlan | Castleknock G. C. | 72, 72, 78 & 70 |
| T-25th | 292 | Shane McDermott | Slieve Russell G. C. | 74, 71, 72 & 75 |
| T-25th | 292 | Ross McCormack | Palmerstown House Estate | 71, 70, 75 & 76 |
| T-25th | 292 | Conor Murtagh | The Island G. C. | 72, 66, 78 & 76 |
| T-29th | 293 | Eoin Sullivan | Portmarnock G. C. | 73, 74, 76 & 70 |
| T-29th | 293 | David Kitt | Athenry G. C. | 71, 76, 74 & 72 |
| T-29th | 293 | Luke Kelly | Dunfanaghy G. C. |
77, 67, 75 & 74 |
| T-29th | 293 | David Shiel | Enniscrone G. C. | 74, 69, 75 & 75 |
| T-29th | 293 | Evan Farrell | Co. Louth G. C. | 75, 71, 72 & 75 |
| T-29th | 293 | Dean O’Riordan | Fermoy G. C. | 74, 71, 71 & 77 |
| T-35th | 296 | Mark Doogue | Baltinglass G. C. | 78, 69, 75 & 74 |
| T-35th | 296 | Richard Knightly | The Royal Dublin G. C. | 76, 68, 78 & 74 |
| T-35th | 296 | Dylan Keating | Seapoint G. C. | 73, 72, 75 & 76 |
| T-35th | 296 | Thomas Abom | Edmondstown G. C. | 75, 72, 72 & 77 |
| T-35th | 296 | Kevin Robinson | Castlewarden G. C. | 74, 70, 74 & 78 |
| T-40th | 297 | Charlie Mooney | Ballinasloe G. C. | 76, 71, 77 & 73 |
| T-40th | 297 | Rory Milne | Faithlegg G. C. | 73, 74, 74 & 76 |
| T-40th | 297 | Ross Nelson | Belvoir Park G. C. | 77, 70, 74 & 76 |
| 43th | 299 | David Muldowney | Naas G. C. | 71, 72, 80 & 76 |
| T-44th | 300 | James Hewitt | Tandragee G. C. |
74, 72, 79 & 75 |
| T-44th | 300 | Cian Harkin | Letterkenny G. C. | 74, 72, 79 & 75 |
| T-44th | 300 | David Howard | Fota Island G. C. | 69, 75, 76 & 80 |
| 47th | 301 | Josh McCabe | Roganstown G. C. | 72, 74, 79 & 76 |
| 48th | 302 | Robert Galligan | Elm Park G. C. | 75, 72, 74 & 81 |
| 49th | 308 | James Fox | Portmarnock G. C. | 75, 68, 81 & 84 |