| Balls |
| 140 | A Balbirnie | Ireland v Scotland | Harare Sports Club, Harare | 2017/18 |
| 139 | GC Wilson | Ireland v Netherlands | Castle Avenue, Dublin | 2010 |
| 133 | EC Joyce | Ireland v Afghanistan | Civil Service Cricket Club, Stormont, Belfast | 2016 |
| 133 | PR Stirling | Ireland v United Arab Emirates | Sheikh Zayed Stadium, Abu Dhabi | 2020/21 |
| 132 | WTS Porterfield | Ireland v Canada | SuperSport Park, Centurion | 2008/09 |
| 131 | WTS Porterfield | Ireland v England | The Village, Malahide, Dublin | 2013 |
| 131 | EC Joyce | Ireland v United Arab Emirates | ICC Cricket Academy Ground, Dubai | 2017/18 |
| 131 | A Balbirnie | Ireland v West Indies | Castle Avenue, Dublin | 2025 |
| 129 | JP Bray | Ireland v Zimbabwe | Sabina Park, Kingston | 2006/07 |
| 127 | PR Stirling | Ireland v Bangladesh | Castle Avenue, Dublin | 2019 |
| 126 | A Balbirnie | Ireland v Zimbabwe | Harare Sports Club, Harare | 2022/23 |
| 124 | WTS Porterfield | Ireland v Pakistan | Adelaide Oval, Adelaide | 2014/15 |
| 124 | NJ O'Brien | Ireland v New Zealand | The Village, Malahide, Dublin | 2017 |
| 122 | WTS Porterfield | Ireland v United Arab Emirates | ICC Cricket Academy Ground, Dubai | 2017/18 |
| 120 | EC Joyce | Ireland v Pakistan | Castle Avenue, Dublin | 2013 |
| 119 | EC Joyce | Ireland v Afghanistan | Civil Service Cricket Club, Stormont, Belfast | 2016 |
| 118 | WTS Porterfield | Ireland v Papua New Guinea | Harare Sports Club, Harare | 2017/18 |
| 118 | HT Tector | Ireland v Afghanistan | Sharjah Cricket Association Stadium, Sharjah | 2023/24 |
| 115 | WTS Porterfield | Ireland v United Arab Emirates | ICC Cricket Academy Ground, Dubai | 2016/17 |
| 114 | A Balbirnie | Ireland v South Africa | The Village, Malahide, Dublin | 2021 |
| 113 | PR Stirling | Ireland v Afghanistan | Sheikh Zayed Stadium, Abu Dhabi | 2020/21 |
| 111 | A Balbirnie | Ireland v Afghanistan | Rajiv Gandhi International Cricket Stadium, Dehra Dun | 2018/19 |
| 109 | A Balbirnie | Ireland v Zimbabwe | Magheramason, Bready | 2019 |
| 109 | HT Tector | Ireland v New Zealand | The Village, Malahide, Dublin | 2022 |
| 108 | HT Tector | Ireland v Zimbabwe | Harare Sports Club, Harare | 2022/23 |
| 107 | A Balbirnie | Ireland v United Arab Emirates | ICC Cricket Academy Ground, Dubai | 2017/18 |
| 106 | PR Stirling | Ireland v United Arab Emirates | Old Hararians, Harare | 2017/18 |
| 105 | WTS Porterfield | Ireland v Bangladesh | Civil Service Cricket Club, Stormont, Belfast | 2010 |
| 102 | PR Stirling | Ireland v Pakistan | Castle Avenue, Dublin | 2013 |
| 101 | PR Stirling | Ireland v Afghanistan | Sheikh Zayed Stadium, Abu Dhabi | 2020/21 |
