| 10-18 | G Geary | Leicestershire v Glamorgan | 1929 | f12880 |
| 8-50 | JC White | Somerset v Glamorgan | 1928 | f12341 |
| 8-60 | J Mercer | Glamorgan v South Africans | 1929 | f12652 |
| 8-63 | R Smith | Essex v Glamorgan | 1955 | f20985 |
| 7-12 | ADG Matthews | Glamorgan v Somerset | 1946 | f17147 |
| 7-24 | JE Walsh | Leicestershire v Glamorgan | 1950 | f18653 |
| 7-36 | CL Vincent | South Africans v Glamorgan | 1929 | f12652 |
| 7-37 | JE McConnon | Glamorgan v Derbyshire | 1957 | f21923 |
| 7-45 | GAE Paine | Warwickshire v Glamorgan | 1932 | f13822 |
| 7-48 | TWJ Goddard | Gloucestershire v Glamorgan | 1933 | f14225 |
| 7-49 | JC Clay | Glamorgan v Northamptonshire | 1938 | f16232 |
| 7-52 | FP Ryan | Glamorgan v Worcestershire | 1931 | f13594 |
| 7-57 | J Mercer | Glamorgan v Gloucestershire | 1928 | f12439 |
| 7-61 | W Wooller | Glamorgan v Worcestershire | 1949 | f18272 |
| 7-71 | JE McConnon | Glamorgan v Combined Services | 1951 | f19122 |