| 1-73 | ER Moore | Ireland v United Arab Emirates | Ruaraka Sports Club Ground, Nairobi | 1993/94 |
| 3-70 | G Cooke | Ireland v Scotland | Castle Avenue, Dublin | 2005 |
| 2-69 | C McCrum | Ireland v United Arab Emirates | Ruaraka Sports Club Ground, Nairobi | 1993/94 |
| 2-66 | DT Johnston | Ireland v Scotland | Castle Avenue, Dublin | 2005 |
| 0-65 | P McCrum | Ireland v United Arab Emirates | Ruaraka Sports Club Ground, Nairobi | 1993/94 |
| 1-62 | PJK Mooney | Ireland v Scotland | Castle Avenue, Dublin | 2005 |
| 1-61 | NG Doak | Ireland v Kenya | Rubber Research Institute, Kuala Lumpur | 1996/97 |
| 1-60 | JD Curry | Ireland v Kenya | Rubber Research Institute, Kuala Lumpur | 1996/97 |
| 3-58 | C McCrum | Ireland v Netherlands | Ruaraka Sports Club Ground, Nairobi | 1993/94 |
| 0-56 | AR White | Ireland v Scotland | Castle Avenue, Dublin | 2005 |
| 1-56 | PJK Mooney | Ireland v United Arab Emirates | Armour Heights, Toronto | 2001 |
| 2-56 | GD Harrison | Ireland v United States of America | Tenaga National Sports Complex, Kuala Lumpur | 1996/97 |
| 0-55 | CJ Hoey | Ireland v Netherlands | Ruaraka Sports Club Ground, Nairobi | 1993/94 |
| 2-54 | DT Johnston | Ireland v Canada | Castle Avenue, Dublin | 2005 |
| 1-52 | AGAM McCoubrey | Ireland v Bermuda | Civil Service Cricket Club, Stormont, Belfast | 2005 |
| 4-51 | P McCrum | Ireland v Kenya | Tenaga National Sports Complex, Kuala Lumpur | 1996/97 |
| 0-50 | MD Dwyer | Ireland v United Arab Emirates | Armour Heights, Toronto | 2001 |
| 1-50 | JD Curry | Ireland v Denmark | Maple Leaf North-East Ground, King City | 2001 |
| 1-48 | RL Eagleson | Ireland v Hong Kong | Ajax Cricket Club, Toronto | 2001 |
| 4-47 | AC Botha | Ireland v Canada | Castle Avenue, Dublin | 2005 |
| 2-46 | D Heasley | Ireland v Denmark | Maple Leaf North-East Ground, King City | 2001 |
| 2-46 | AC Botha | Ireland v United Arab Emirates | Civil Service Cricket Club, Stormont, Belfast | 2005 |
| 0-45 | WK McCallan | Ireland v Denmark | Maple Leaf North-East Ground, King City | 2001 |
| 0-45 | AR White | Ireland v Netherlands | Maple Leaf South-East Ground, King City | 2001 |
| 1-45 | GL Molins | Ireland v United States of America | Tenaga National Sports Complex, Kuala Lumpur | 1996/97 |
| 2-45 | WK McCallan | Ireland v United Arab Emirates | Armour Heights, Toronto | 2001 |
| 3-45 | DT Johnston | Ireland v United Arab Emirates | Civil Service Cricket Club, Stormont, Belfast | 2005 |
| 1-44 | CJ Hoey | Ireland v United Arab Emirates | Ruaraka Sports Club Ground, Nairobi | 1993/94 |
| 1-44 | D Heasley | Ireland v Scotland | Tenaga National Sports Complex, Kuala Lumpur | 1996/97 |
| 2-44 | AR White | Ireland v Bermuda | Civil Service Cricket Club, Stormont, Belfast | 2005 |