| 1 | 375 | RA White & MJ Powell | Northamptonshire v Gloucestershire | 2002 | f46760 |
| 1 | 375 | A Lyth & AZ Lees | Yorkshire v Northamptonshire | 2014 | f55653 |
| 2 | 344 | G Cook & RJ Boyd-Moss | Northamptonshire v Lancashire | 1986 | f36462 |
| 3 | 350* | MDE Holden & JL du Plooy | Middlesex v Northamptonshire | 2024 | f62225 |
| 4 | 370 | RT Virgin & P Willey | Northamptonshire v Somerset | 1976 | f31140 |
| 5 | 401 | MB Loye & D Ripley | Northamptonshire v Glamorgan | 1998 | f43719 |
| 6 | 268 | RA White & AJ Hall | Northamptonshire v Leicestershire | 2009 | f51754 |
| 7 | 309 | BC Brown & CJ Jordan | Sussex v Northamptonshire | 2019 | f59483 |
| 8 | 171 | Shadab Kabir & Saqlain Mushtaq | Pakistanis v Northamptonshire | 1996 | f42496 |
| 9 | 261 | WL Madsen & T Poynton | Derbyshire v Northamptonshire | 2012 | f54140 |
| 10 | 148 | BW Bellamy & JV Murdin | Northamptonshire v Glamorgan | 1925 | f11256 |