| 0-203 | BC White | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 1-191 | AR McBrine | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 1-162 | AR McBrine | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 0-127 | MR Adair | Ireland v England | Lord's Cricket Ground, St John's Wood | 2023 |
| 1-119 | BC White | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 6-118 | AR McBrine | Ireland v Bangladesh | Shere Bangla National Stadium, Mirpur | 2022/23 |
| 1-113 | FP Hand | Ireland v England | Lord's Cricket Ground, St John's Wood | 2023 |
| 1-112 | GH Dockrell | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 1-101 | C Campher | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 2-99 | AR McBrine | Ireland v England | Lord's Cricket Ground, St John's Wood | 2023 |
| 1-95 | MR Adair | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 2-94 | J Cameron-Dow | Ireland v Afghanistan | Rajiv Gandhi International Cricket Stadium, Dehra Dun | 2018/19 |
| 0-88 | C Campher | Ireland v England | Lord's Cricket Ground, St John's Wood | 2023 |
| 1-87 | GI Hume | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 0-86 | TE Kane | Ireland v Pakistan | The Village, Malahide, Dublin | 2018 |
| 2-86 | WB Rankin | Ireland v England | Lord's Cricket Ground, St John's Wood | 2019 |
| 1-85 | GI Hume | Ireland v England | Lord's Cricket Ground, St John's Wood | 2023 |
| 2-84 | C Campher | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 2-77 | AR McBrine | Ireland v Afghanistan | Rajiv Gandhi International Cricket Stadium, Dehra Dun | 2018/19 |
| 2-75 | WB Rankin | Ireland v Pakistan | The Village, Malahide, Dublin | 2018 |
| 4-75 | BJ McCarthy | Ireland v Zimbabwe | Queens Sports Club, Bulawayo | 2024/25 |
| 2-71 | BC White | Ireland v Bangladesh | Shere Bangla National Stadium, Mirpur | 2022/23 |
| 1-69 | AR McBrine | Ireland v Zimbabwe | Queens Sports Club, Bulawayo | 2024/25 |
| 0-67 | MJ Humphreys | Ireland v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 3-66 | MR Adair | Ireland v England | Lord's Cricket Ground, St John's Wood | 2019 |
| 2-64 | MR Adair | Ireland v Bangladesh | Shere Bangla National Stadium, Mirpur | 2022/23 |
| 2-63 | GH Dockrell | Ireland v Afghanistan | Rajiv Gandhi International Cricket Stadium, Dehra Dun | 2018/19 |
| 3-62 | SR Thompson | Ireland v Pakistan | The Village, Malahide, Dublin | 2018 |
| 3-59 | AR McBrine | Ireland v Zimbabwe | Queens Sports Club, Bulawayo | 2024/25 |
| 0-58 | GH Dockrell | Ireland v Afghanistan | Rajiv Gandhi International Cricket Stadium, Dehra Dun | 2018/19 |
