| 0-64 | M Bauer | Munster v Leinster Cricket Union | Anglesea Road, Dublin | 2017 |
| 1-56 | CA Young | Ireland v Hong Kong | Magheramason, Bready | 2016 |
| 2-52 | Yaqoob Ali | Munster v Leinster Cricket Union | Anglesea Road, Dublin | 2017 |
| 0-50 | DCA Delany | Munster v Leinster Cricket Union | Anglesea Road, Dublin | 2017 |
| 0-47 | TRM Anders | Munster v Northern Cricket Union | Mardyke, Cork | 2018 |
| 2-47 | SC Getkate | Northern Cricket Union v Leinster Cricket Union | Anglesea Road, Dublin | 2017 |
| 1-46 | Yaqoob Ali | Munster v Northern Cricket Union | Mardyke, Cork | 2018 |
| 1-45 | MC Sorensen | Munster v Northern Cricket Union | Mardyke, Cork | 2018 |
| 1-44 | LT Nelson | Northern Cricket Union v Munster | Middle Road, Carrickfergus | 2017 |
| 1-44 | MC Sorensen | Munster v Leinster Cricket Union | Sydney Parade, Dublin | 2018 |
| 2-43 | GE Kidd | Northern Cricket Union v Leinster Cricket Union | Cooke Collegians Cricket Club, Shaw's Bridge Upper Ground, Belfast | 2018 |
| 1-42 | Mohammad Nabi | Afghanistan v Hong Kong | The Village, Malahide, Dublin | 2015 |
| 1-42 | RN Gamble | Leinster Cricket Union v Munster | Anglesea Road, Dublin | 2017 |
| 1-42 | PKD Chase | Ireland v India | The Village, Malahide, Dublin | 2018 |
| 2-42 | MC Sorensen | Ireland v Bangladesh | Civil Service Cricket Club, Stormont, Belfast | 2012 |
| 0-40 | L Klazinga | Namibia v Jersey | Castle Avenue, Dublin | 2015 |
| 0-40 | GH Dockrell | Ireland v India | The Village, Malahide, Dublin | 2018 |
| 1-40 | JH Davey | Scotland v Hong Kong | The Village, Malahide, Dublin | 2015 |
| 1-40 | A Crawley | Munster v Northern Cricket Union | Middle Road, Carrickfergus | 2017 |
| 2-40 | Haseeb Amjad | Hong Kong v Ireland | The Village, Malahide, Dublin | 2015 |
| 3-40 | KJ O'Brien | Ireland v India | The Village, Malahide, Dublin | 2018 |
| 0-39 | Yaqoob Ali | Munster v Northern Cricket Union | Middle Road, Carrickfergus | 2017 |
| 1-39 | RG Aga | Kenya v Netherlands | Civil Service Cricket Club, Stormont, Belfast | 2008 |
| 1-39 | KJ O'Brien | Ireland v Hong Kong | Magheramason, Bready | 2016 |
| 1-39 | SR Thompson | North West v Northern Cricket Union | Civil Service Cricket Club, Stormont, Belfast | 2018 |
| 2-39 | Tanvir Afzal | Hong Kong v Namibia | Castle Avenue, Dublin | 2015 |
| 0-38 | Aizaz Khan | Hong Kong v Jersey | Magheramason, Bready | 2015 |
| 1-38 | BM Scholtz | Namibia v Hong Kong | Castle Avenue, Dublin | 2015 |
| 1-38 | MBW Neville | Munster v Leinster Cricket Union | Anglesea Road, Dublin | 2017 |
| 2-38 | PR Stirling | Ireland v Bangladesh | Civil Service Cricket Club, Stormont, Belfast | 2012 |
| 2-38 | JF Mooney | Ireland v Papua New Guinea | Civil Service Cricket Club, Stormont, Belfast | 2015 |
| 2-38 | MS Ansari | Oman v Afghanistan | Castle Avenue, Dublin | 2015 |
| 2-38 | GJ McCarter | Northern Cricket Union v Munster | Middle Road, Carrickfergus | 2017 |
| 3-38 | YS Chahal | India v Ireland | The Village, Malahide, Dublin | 2018 |