| 3-100 | BJ McCarthy | Ireland v West Indies | Castle Avenue, Dublin | 2025 |
| 0-95 | PC Connell | Ireland v New Zealand | Mannofield Park, Aberdeen | 2008 |
| 1-95 | KJ O'Brien | Ireland v South Africa | Manuka Oval, Canberra | 2014/15 |
| 2-93 | L McCarthy | Ireland v West Indies | Castle Avenue, Dublin | 2025 |
| 1-92 | PKD Chase | Ireland v Afghanistan | Greater Noida Sports Complex Ground, Greater Noida | 2016/17 |
| 2-90 | KJ O'Brien | Ireland v Zimbabwe | Blundstone Arena, Hobart | 2014/15 |
| 2-89 | JB Little | Ireland v West Indies | Castle Avenue, Dublin | 2025 |
| 0-86 | PKD Chase | Ireland v South Africa | Sahara Park Willowmoore, Benoni | 2016/17 |
| 1-86 | WB Rankin | Ireland v Sri Lanka | The Village, Malahide, Dublin | 2016 |
| 1-84 | MR Adair | Ireland v West Indies | Castle Avenue, Dublin | 2019 |
| 2-84 | JB Little | Ireland v New Zealand | The Village, Malahide, Dublin | 2022 |
| 1-82 | JB Little | Ireland v England | Trent Bridge, Nottingham | 2023 |
| 2-82 | CA Young | Ireland v New Zealand | The Village, Malahide, Dublin | 2017 |
| 0-81 | KJ O'Brien | Ireland v Sri Lanka | The Village, Malahide, Dublin | 2016 |
| 3-81 | CA Young | Ireland v South Africa | Sahara Park Willowmoore, Benoni | 2016/17 |
| 0-79 | MR Adair | Ireland v Afghanistan | Sharjah Cricket Association Stadium, Sharjah | 2023/24 |
| 0-79 | MR Adair | Ireland v South Africa | Sheikh Zayed Stadium, Abu Dhabi | 2024 |
| 1-79 | CA Young | Ireland v South Africa | Sheikh Zayed Stadium, Abu Dhabi | 2024 |
| 3-79 | JF Mooney | Ireland v England | Civil Service Cricket Club, Stormont, Belfast | 2006 |
| 0-78 | JB Little | Ireland v Sri Lanka | Queens Sports Club, Bulawayo | 2023 |
| 1-78 | JB Little | Ireland v West Indies | The Village, Malahide, Dublin | 2019 |
| 1-78 | JB Little | Ireland v Zimbabwe | Civil Service Cricket Club, Stormont, Belfast | 2021 |
| 1-78 | CA Young | Ireland v New Zealand | The Village, Malahide, Dublin | 2022 |
| 2-78 | PKD Chase | Ireland v Scotland | ICC Cricket Academy Ground, Dubai | 2017/18 |
| 1-77 | MR Adair | Ireland v Bangladesh | Sylhet Stadium, Sylhet | 2022/23 |
| 0-76 | DT Johnston | Ireland v Kenya | Ruaraka Sports Club Ground, Nairobi | 2006/07 |
| 0-76 | MC Sorensen | Ireland v South Africa | Manuka Oval, Canberra | 2014/15 |
| 1-76 | DT Johnston | Ireland v South Africa | Eden Gardens, Kolkata | 2010/11 |
| 2-76 | BJ McCarthy | Ireland v West Indies | Castle Avenue, Dublin | 2019 |
| 1-75 | JB Little | Ireland v Zimbabwe | Harare Sports Club, Harare | 2024/25 |
