| 16-96 | G Geary | Leicestershire v Glamorgan | 1929 | f12876 |
| 14-119 | J Mercer | Glamorgan v South Africans | 1929 | f12648 |
| 13-77 | JC Clay | Glamorgan v Northamptonshire | 1938 | f16228 |
| 12-90 | TWJ Goddard | Gloucestershire v Glamorgan | 1933 | f14221 |
| 12-123 | JC White | Somerset v Glamorgan | 1928 | f12337 |