| 1 | 125* | PM Roebuck & PW Denning | Somerset v Northamptonshire | 1983 | a3796 |
| 2 | 136 | PD Bowler & SC Ecclestone | Somerset v Durham | 1996 | a10014 |
| 3 | 124 | PD Bowler & PCL Holloway | Somerset v Leicestershire | 1995 | a9393 |
| 4 | 107 | JA Daley & MA Roseberry | Durham v Somerset | 1996 | a10014 |
| 5 | 82 | RMC Gilliat & JM Rice | Hampshire v Somerset | 1975 | a1498 |
| 6 | 86 | AN Hayhurst & ND Burns | Somerset v Leicestershire | 1991 | a7153 |
| 7 | 60 | AN Hayhurst & RJ Turner | Somerset v Essex | 1994 | a8779 |
| 8 | 47* | JW Lloyds & GV Palmer | Somerset v Surrey | 1984 | a4163 |
| 9 | 54 | VJ Marks & HR Moseley | Somerset v Hampshire | 1975 | a1498 |
| 10 | 21 | CH Dredge & MR Davis | Somerset v Middlesex | 1982 | a3426 |