| 9-60 | OS Wheatley | Glamorgan v Sussex | 1968 | f27379 |
| 8-45 | W Wooller | Glamorgan v Warwickshire | 1953 | f20139 |
| 7-70 | WW Davis | Glamorgan v Nottinghamshire | 1983 | f34744 |
| 7-95 | JE McConnon | Glamorgan v Somerset | 1951 | f19236 |
| 7-99 | JE McConnon | Glamorgan v Hampshire | 1959 | f22856 |