| 1 | 232 | KJ Barnett & JE Morris | Derbyshire v Somerset | 1990 | a6559 |
| 2 | 318 | SC Ganguly & RS Dravid | India v Sri Lanka | 1999 | a11945 |
| 3 | 195 | PM Roebuck & CJ Tavaré | Somerset v Essex | 1989 | a6115 |
| 4 | 199 | RR Montgomerie & MW Goodwin | Sussex v Somerset | 2007 | a18205 |
| 5 | 179 | IT Botham & IVA Richards | Somerset v Hampshire | 1981 | a3099 |
| 6 | 213 | D Elgar & RE van der Merwe | Somerset v Surrey | 2017 | a25487 |
| 7 | 151* | ID Blackwell & RJ Turner | Somerset v Sussex | 2005 | a16653 |
| 8 | 89 | BJ Wright & DA Cosker | Glamorgan v Somerset | 2013 | a22662 |
| 9 | 103* | TD Groenewald & AC Thomas | Somerset v Kent | 2014 | a23445 |
| 10 | 65* | J Overton & TD Groenewald | Somerset v Gloucestershire | 2016 | a24744 |