| Extras | B | LB | W | NB | Pen |
| 81 | | 9 | 7 | 65 | | v Somerset | St Helen's, Swansea | 1994 | f41197 |
| 78 | 10 | 21 | 5 | 42 | | v Gloucestershire | Sophia Gardens, Cardiff | 2006 | f49522 |
| 71 | 6 | 27 | 2 | 36 | | v Warwickshire | Sophia Gardens, Cardiff | 1997 | f43043 |
| 67 | 7 | 38 | 8 | 14 | | v Kent | St Lawrence Ground, Canterbury | 1999 | f44448 |
| 64 | 11 | 15 | | 38 | | v Leicestershire | Sophia Gardens, Cardiff | 2022 | f60843 |
| 64 | 28 | 15 | 9 | 12 | | v Sussex | The 1st Central County Ground, Hove | 2023 | f61576 |
| 61 | 15 | 11 | 3 | 32 | | v Leicestershire | The SWALEC Stadium, Cardiff | 2012 | f54054 |
| 61 | 1 | 11 | 5 | 44 | | v Leicestershire | Grace Road, Leicester | 2015 | f56347 |
| 57 | 16 | 21 | 5 | 10 | 5 | v Leicestershire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2009 | f51679 |
| 56 | 12 | 18 | | 26 | | v Warwickshire | Sophia Gardens, Cardiff | 1981 | f33585 |
| 56 | | 6 | 16 | 34 | | v Essex | Southchurch Park, Southend-on-Sea | 2000 | f45251 |
| 56 | 15 | 7 | 11 | 18 | 5 | v Durham | Seat Unique Riverside Ground, Chester-le-Street | 2023 | f61584 |
| 55 | 20 | 20 | 5 | 10 | | v Leicestershire | Uptonsteel County Ground, Leicester | 2023 | f61548 |
| 53 | 9 | 7 | 1 | 36 | | v Warwickshire | Sophia Gardens, Cardiff | 1993 | f40621 |
| 53 | 12 | 13 | 8 | 20 | | v Sussex | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2000 | f45246 |
| 53 | 10 | 2 | 6 | 35 | | v Gloucestershire | College Ground, Cheltenham | 2006 | f49461 |
| 53 | 12 | 17 | | 24 | | v Warwickshire | The SWALEC Stadium, Cardiff | 2008 | f50850 |
| 51 | 5 | 14 | 6 | 26 | | v Surrey | St Helen's, Swansea | 1998 | f43769 |
| 50 | | 13 | 7 | 30 | | v Gloucestershire | Pen-y-Pound, Abergavenny | 1995 | f41878 |
| 50 | 4 | 17 | 5 | 24 | | v Australians | Sophia Gardens, Cardiff | 1997 | f43154 |
| 50 | 15 | 22 | 3 | 10 | | v Sussex | The 1st Central County Ground, Hove | 2022 | f61049 |
| 49 | 7 | 28 | 2 | 12 | | v Derbyshire | Sophia Gardens, Cardiff | 1994 | f41139 |
| 49 | 6 | 11 | 1 | 31 | | v Leicestershire | St Helen's, Swansea | 1996 | f42526 |
| 49 | 8 | 12 | 3 | 26 | | v Yorkshire | Headingley, Leeds | 2003 | f47300 |
| 49 | 13 | 12 | 4 | 20 | | v Surrey | The SWALEC Stadium, Cardiff | 2011 | f53178 |
| 49 | 18 | 18 | 5 | 8 | | v Gloucestershire | County Ground, Bristol | 2014 | f55678 |
| 49 | 17 | 19 | 3 | 10 | | v Sussex | The 1st Central County Ground, Hove | 2019 | f59487 |
| 48 | 5 | 20 | 5 | 18 | | v Surrey | Sophia Gardens, Cardiff | 1996 | f42573 |
| 48 | 23 | 16 | 1 | 8 | | v Leicestershire | Sophia Gardens, Cardiff | 2019 | f59599 |
| 47 | 9 | 18 | 3 | 17 | | v Lancashire | Old Trafford, Manchester | 1989 | f38144 |
| 47 | 8 | 15 | 4 | 20 | | v Surrey | The Foster's Oval, Kennington | 1997 | f43231 |
| 47 | 16 | 15 | | 16 | | v Gloucestershire | Sophia Gardens, Cardiff | 2002 | f46709 |
| 47 | 4 | 17 | | 26 | | v Derbyshire | St Helen's, Swansea | 2003 | f47309 |
| 47 | 7 | 9 | 7 | 24 | | v Derbyshire | County Ground, Derby | 2004 | f47989 |
| 46 | 13 | 19 | 2 | 12 | | v Surrey | St Helen's, Swansea | 1983 | f34727 |
| 46 | | 9 | 5 | 32 | | v Surrey | Sophia Gardens, Cardiff | 1996 | f42573 |
| 46 | 17 | 13 | 2 | 14 | | v Hampshire | The Ageas Bowl, Southampton | 2013 | f54914 |
| 45 | 34 | 7 | | 4 | | v Leicestershire | Cardiff Arms Park, Cardiff | 1937 | f15937 |
| 45 | 12 | 17 | 5 | 11 | | v Worcestershire | St Helen's, Swansea | 1981 | f33711 |
| 45 | 8 | 8 | 3 | 26 | | v Derbyshire | County Ground, Derby | 1995 | f41837 |
| 45 | 23 | 15 | 1 | 6 | | v Gloucestershire | The SWALEC Stadium, Cardiff | 2010 | f52430 |
