| 203 | RDB Croft | v Essex | County Ground, Chelmsford | 2004 | f48112 |
| 191 | NL McCullum | v Lancashire | Emirates Old Trafford, Manchester | 2013 | f54905 |
| 186 | RDB Croft | v Leicestershire | Sophia Gardens, Cardiff | 2006 | f49448 |
| 180 | AG Salter | v Surrey | The Kia Oval, Kennington | 2021 | f60517 |
| 178 | MS Crane | v Northamptonshire | Sophia Gardens, Cardiff | 2024 | f62284 |
| 176 | RDB Croft | v Surrey | Sophia Gardens, Cardiff | 2001 | f46017 |
| 174 | RDB Croft | v Middlesex | Sophia Gardens, Cardiff | 1993 | f40582 |
| 173 | RDB Croft | v Warwickshire | Edgbaston, Birmingham | 1994 | f41078 |
| 169 | J Mercer | v Derbyshire | Queen's Park, Chesterfield | 1927 | f11915 |
| 168 | RDB Croft | v Durham | Sophia Gardens, Cardiff | 1999 | f44505 |
| 168 | DA Cosker | v Yorkshire | North Marine Road, Scarborough | 2001 | f45993 |
| 168 | DA Cosker | v Surrey | The SWALEC Stadium, Cardiff | 2011 | f53182 |
| 167 | RDB Croft | v Northamptonshire | St Helen's, Swansea | 2011 | f53304 |
| 165 | JE McConnon | v Australians | St Helen's, Swansea | 1953 | f20169 |
| 164 | FP Ryan | v Surrey | Cardiff Arms Park, Cardiff | 1928 | f12491 |
| 164 | RDB Croft | v Essex | County Ground, Chelmsford | 2002 | f46701 |
| 164 | DL Lloyd | v Lancashire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2015 | f56477 |
| 162 | BJ Lloyd | v West Indians | St Helen's, Swansea | 1976 | f31203 |
| 161 | RDB Croft | v Kent | Sophia Gardens, Cardiff | 2005 | f48710 |
| 160 | FP Ryan | v Middlesex | St Helen's, Swansea | 1931 | f13584 |
| 160 | JC Clay | v Lancashire | Stanley Park, Blackpool | 1937 | f15832 |
| 160 | RDB Croft | v Kent | St Lawrence Ground, Canterbury | 2005 | f48758 |
| 159 | DA Cosker | v Surrey | Sophia Gardens, Cardiff | 2001 | f46017 |
| 159 | DA Cosker | v Middlesex | Sophia Gardens, Cardiff | 2002 | f46660 |
| 158 | RDB Croft | v Surrey | Sophia Gardens, Cardiff | 1996 | f42577 |
| 158 | AG Salter | v Leicestershire | Uptonsteel County Ground, Leicester | 2022 | f60931 |
| 157 | RDB Croft | v Hampshire | St Helen's, Swansea | 1993 | f40647 |
| 155 | BJ Lloyd | v Somerset | County Ground, Taunton | 1982 | f34169 |
| 154 | W Wooller | v Nottinghamshire | Trent Bridge, Nottingham | 1949 | f18395 |
| 154 | SD Thomas | v Northamptonshire | County Ground, Northampton | 1998 | f43719 |
| 152 | FP Ryan | v Nottinghamshire | Trent Bridge, Nottingham | 1929 | f12780 |
| 152 | CAJ Meschede | v Gloucestershire | County Ground, Bristol | 2015 | f56541 |
| 152 | MS Crane | v Yorkshire | Headingley, Leeds | 2024 | f62256 |
| 151 | RDB Croft | v Middlesex | Sophia Gardens, Cardiff | 2002 | f46660 |
| 151 | AY Patel | v Sussex | The 1st Central County Ground, Hove | 2022 | f61053 |
| 150 | CC Smart | v Gloucestershire | Ashley Down Ground, Bristol | 1934 | f14750 |
| 150 | WT Owen | v Leicestershire | Grace Road, Leicester | 2014 | f55617 |
