| 163 | CJ Adams | Sussex v Middlesex | 1999 | a12039 |
| 137 | MJ Prior | Sussex v Somerset | 2008 | a19073 |
| 134 | OA Shah | Middlesex v Sussex | 1999 | a12039 |
| 129* | MW Goodwin | Sussex v Derbyshire | 2003 | a15210 |
| 126* | CWG Bassano | Derbyshire v Sussex | 2003 | a15210 |
| 117 | WJ Durston | Unicorns v Sussex | 2010 | a20595 |
| 103 | AP Wells | Sussex v Middlesex | 1994 | a8728 |
| 102 | K Greenfield | Sussex v Nottinghamshire | 1995 | a9323 |