| 113* | CA Lynn | v Worcestershire | County Ground, Northampton | 2022 | tt10941 |
| 111* | L Klusener | v Worcestershire | Chester Road North, Kidderminster | 2007 | tt678 |
| 110* | RE Levi | v Gloucestershire | College Ground, Cheltenham | 2013 | tt3719 |
| 110* | CA Lynn | v Leicestershire | County Ground, Northampton | 2023 | tt12273 |
| 106* | CA Lynn | v Leicestershire | County Ground, Northampton | 2022 | tt10882 |
| 105* | RS Bopara | v Surrey | The Kia Oval, Kennington | 2025 | tt15715 |
| 103 | JJ Cobb | v Warwickshire | County Ground, Northampton | 2018 | tt7100 |
| 100 | DJ Willey | v Sussex | The Brighton and Hove Jobs County Ground, Hove | 2015 | tt5121 |
| 96 | BM Duckett | v Leicestershire | County Ground, Northampton | 2018 | tt7004 |
| 95 | DJ Willey | v Leicestershire | County Ground, Northampton | 2014 | tt4341 |
| 95* | RE Levi | v Warwickshire | Edgbaston, Birmingham | 2018 | tt7060 |
| 94* | RA White | v Gloucestershire | Campbell Park, Milton Keynes | 2008 | tt941 |
| 94 | MP Breetzke | v Derbyshire | The Incora County Ground, Derby | 2024 | tt13784 |
| 93 | MP Breetzke | v Derbyshire | County Ground, Northampton | 2025 | tt15462 |
| 92* | BM Duckett | v Worcestershire | County Ground, New Road, Worcester | 2017 | tt6394 |
| 92 | SA Zaib | v Derbyshire | The Incora County Ground, Derby | 2022 | tt11011 |
| 88 | MEK Hussey | v Somerset | County Ground, Northampton | 2003 | tt25 |
| 88 | RE Levi | v Nottinghamshire | Trent Bridge, Nottingham | 2017 | tt6350 |
| 88 | BM Duckett | v Nottinghamshire | County Ground, Northampton | 2018 | tt7017 |
| 86 | SA Zaib | v Warwickshire | County Ground, Northampton | 2024 | tt13977 |
| 85 | AM Rossington | v Warwickshire | County Ground, Northampton | 2016 | tt5839 |
| 85 | MP Breetzke | v Warwickshire | Edgbaston, Birmingham | 2025 | tt15486 |
| 84 | JJ Cobb | v Nottinghamshire | Trent Bridge, Nottingham | 2015 | tt4997 |
| 84 | BM Duckett | v Nottinghamshire | Edgbaston, Birmingham | 2016 | tt5880 |
| 84 | JJ Cobb | v Derbyshire | County Ground, Northampton | 2019 | tt8017 |
| 84* | RS Bopara | v Derbyshire | The Central Co-op County Ground, Derby | 2025 | tt15185 |
| 83 | CA Lynn | v Durham | County Ground, Northampton | 2022 | tt10840 |
| 80 | RA White | v Lancashire | County Ground, Northampton | 2010 | tt1858 |
| 80 | JJ Cobb | v Worcestershire | County Ground, Northampton | 2015 | tt4943 |
| 80 | JJ Cobb | v Durham | Edgbaston, Birmingham | 2016 | tt5882 |
| 80* | PR Stirling | v Worcestershire | Blackfinch New Road, Worcester | 2020 | tt8898 |
| 79* | MEK Hussey | v Glamorgan | Sophia Gardens, Cardiff | 2003 | tt9 |
| 79 | DJ Willey | v Nottinghamshire | Trent Bridge, Nottingham | 2024 | tt13701 |
| 78* | DJG Sales | v Gloucestershire | Campbell Park, Milton Keynes | 2005 | tt173 |
| 78* | RS Vasconcelos | v Durham | Emirates Riverside, Chester-le-Street | 2021 | tt9737 |
| 76 | RE Levi | v Yorkshire | County Ground, Northampton | 2014 | tt4380 |
| 76 | MP Breetzke | v Lancashire | Emirates Old Trafford, Manchester | 2024 | tt13986 |
| 75* | JDS Neesham | v Leicestershire | County Ground, Northampton | 2022 | tt10882 |
