| 16-96 | G Geary | Leicestershire v Glamorgan | 1929 | f12880 |
| 14-119 | J Mercer | Glamorgan v South Africans | 1929 | f12652 |
| 13-77 | JC Clay | Glamorgan v Northamptonshire | 1938 | f16232 |
| 12-90 | TWJ Goddard | Gloucestershire v Glamorgan | 1933 | f14225 |
| 12-123 | JC White | Somerset v Glamorgan | 1928 | f12341 |