| 7-16 | SD Thomas | Glamorgan v Surrey | 1998 | a11272 |
| 6-26 | AJ Murphy | Surrey v Glamorgan | 1994 | a8740 |
| 5-16 | GC Holmes | Glamorgan v Yorkshire | 1985 | a4560 |
| 5-18 | DJ Brown | Warwickshire v Glamorgan | 1966 | a69 |
| 5-24 | UBA Rashid | Sussex v Glamorgan | 1999 | a12017 |
| 5-25 | JD Inchmore | Worcestershire v Glamorgan | 1985 | a4542 |
| 5-26 | SR Barwick | Glamorgan v Surrey | 1992 | a7613 |
| 5-29 | G Richards | Glamorgan v Lancashire | 1977 | a2047 |
| 5-31 | MA Holding | Derbyshire v Glamorgan | 1988 | a5696 |
| 5-37 | MJ Procter | Gloucestershire v Glamorgan | 1972 | a640 |
| 5-42 | DA Marriott | Middlesex v Glamorgan | 1973 | a1050 |
| 5-53 | DL Lloyd | Glamorgan v Kent | 2017 | a25574 |
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