| 179 | JD Campbell | West Indies v Ireland | 2019 | a27361 |
| 170 | SD Hope | West Indies v Ireland | 2019 | a27361 |
| 160* | A Balbirnie | Ireland Wolves v Bangladesh A | 2018 | a26554 |
| 130 | PR Stirling | Ireland v Bangladesh | 2019 | a27386 |
| 123 | AJ Wright | Gloucestershire v Ireland | 1996 | a9834 |
| 122* | Mohammad Hafeez | Pakistan v Ireland | 2013 | a22638 |
| 116* | RJ Cunliffe | Gloucestershire v Ireland | 1996 | a9834 |
| 116* | B Zuiderent | Netherlands v United Arab Emirates | 2005 | a16735 |
| 116* | EC Joyce | Ireland v Pakistan | 2013 | a22641 |
| 113 | W Larkins | Durham v Ireland | 1992 | a7618 |
| 113 | GC Wilson | Ireland v Netherlands | 2010 | a20707 |
| 109 | SD Hope | West Indies v Bangladesh | 2019 | a27371 |
| 108* | RR Montgomerie | Sussex v Ireland | 2006 | a17479 |
| 103 | PR Stirling | Ireland v Pakistan | 2013 | a22638 |
| 101 | RS Bopara | Essex v Ireland | 2007 | a18226 |