| Runs |
Out of |
4s |
6s |
| 130 | 151* | 10 | 15 | | CH Gayle | Somerset v Kent | County Ground, Taunton | 2015 |
| 92 | 141* | 14 | 6 | | CL White | Somerset v Worcestershire | County Ground, New Road, Worcester | 2006 |
| 82 | 103* | 16 | 3 | | JG Myburgh | Somerset v Essex | The Cooper Associates County Ground, Taunton | 2018 |
| 78 | 107 | 15 | 3 | | ME Trescothick | Somerset v Worcestershire | County Ground, Taunton | 2008 |
| 78 | 108* | 12 | 5 | | ME Trescothick | Somerset v Essex | The Ford County Ground, Chelmsford | 2011 |
| 72 | 94 | 12 | 4 | | MJ Wood | Somerset v Worcestershire | County Ground, Taunton | 2005 |
| 82 | 116* | 7 | 9 | | CL White | Somerset v Gloucestershire | County Ground, Taunton | 2006 |
| 66 | 107* | 15 | 1 | | JC Hildreth | Somerset v Glamorgan | County Ground, Taunton | 2012 |
| 70 | 101* | 13 | 3 | | TB Abell | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2019 |
| 80 | 94 | 8 | 8 | | WCF Smeed | Somerset v Gloucestershire | Seat Unique Stadium, Bristol | 2023 |
| 68 | 83 | 11 | 4 | | ME Trescothick | Somerset v Middlesex | County Ground, Taunton | 2010 |
| 74 | 107* | 8 | 7 | | T Banton | Somerset v Kent | Spitfire Ground, St Lawrence, Canterbury | 2021 |
| 68 | 90 | 11 | 4 | | TA Lammonby | Somerset v Gloucestershire | The Cooper Associates County Ground, Taunton | 2021 |
| 76 | 94* | 7 | 8 | | WCF Smeed | Somerset v Glamorgan | The Cooper Associates County Ground, Taunton | 2022 |
| 70 | 98 | 10 | 5 | | WCF Smeed | Somerset v Surrey | The Cooper Associates County Ground, Taunton | 2022 |
| 74 | 93 | 8 | 7 | | RR Rossouw | Somerset v Derbyshire | The Cooper Associates County Ground, Taunton | 2022 |
| 66 | 96* | 12 | 3 | | TB Abell | Somerset v Hampshire | The Cooper Associates County Ground, Taunton | 2024 |
| 66 | 105 | 9 | 5 | | GC Smith | Somerset v Northamptonshire | County Ground, Taunton | 2005 |
| 64 | 90 | 10 | 4 | | JL Langer | Somerset v Gloucestershire | County Ground, Taunton | 2006 |
| 62 | 97 | 11 | 3 | | JL Langer | Somerset v Northamptonshire | County Ground, Taunton | 2006 |
| 70 | 89* | 7 | 7 | | KA Pollard | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 2010 |
| 70 | 78 | 7 | 7 | | ME Trescothick | Somerset v Hampshire | County Ground, Taunton | 2010 |
| 64 | 87* | 10 | 4 | | ME Trescothick | Somerset v Sussex | County Ground, Taunton | 2011 |
| 68 | 92 | 8 | 6 | | CH Gayle | Somerset v Essex | The Essex County Ground, Chelmsford | 2015 |
| 66 | 100 | 9 | 5 | | T Banton | Somerset v Kent | The Cooper Associates County Ground, Taunton | 2019 |
| 66 | 114* | 9 | 5 | | Babar Azam | Somerset v Glamorgan | Sophia Gardens, Cardiff | 2020 |
| 66 | 86 | 9 | 5 | | WCF Smeed | Somerset v Glamorgan | The Cooper Associates County Ground, Taunton | 2024 |
| 56 | 78 | 11 | 2 | | JL Langer | Somerset v Glamorgan | County Ground, Taunton | 2006 |
| 58 | 69 | 10 | 3 | | ME Trescothick | Somerset v Northamptonshire | County Ground, Taunton | 2008 |
| 62 | 95* | 8 | 5 | | Z de Bruyn | Somerset v Gloucestershire | County Ground, Taunton | 2010 |
| 52 | 77* | 13 | 0 | | JC Hildreth | Somerset v Kent | The Kent County Cricket Ground, Beckenham | 2010 |
| 64 | 89* | 7 | 6 | | RE van der Merwe | Somerset v Kent | The Nevill Ground, Tunbridge Wells | 2011 |
| 56 | 59 | 11 | 2 | | C Kieswetter | Somerset v Middlesex | County Ground, Taunton | 2011 |
| 56 | 94* | 11 | 2 | | PD Trego | Somerset v Glamorgan | County Ground, Taunton | 2014 |
| 60 | 89* | 9 | 4 | | J Allenby | Somerset v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2015 |
| 58 | 91 | 10 | 3 | | J Allenby | Somerset v Kent | Spitfire Ground, St Lawrence, Canterbury | 2016 |
| 56 | 87 | 11 | 2 | | JG Myburgh | Somerset v Glamorgan | The Cooper Associates County Ground, Taunton | 2017 |
| 56 | 71 | 11 | 2 | | T Banton | Somerset v Surrey | The Cooper Associates County Ground, Taunton | 2019 |
| 64 | 102* | 7 | 6 | | Babar Azam | Somerset v Hampshire | The Ageas Bowl, Southampton | 2019 |
| 62 | 77 | 8 | 5 | | T Banton | Somerset v Hampshire | The Cooper Associates County Ground, Taunton | 2021 |
| 62 | 74 | 8 | 5 | | RR Rossouw | Somerset v Sussex | The Cooper Associates County Ground, Taunton | 2022 |
