| 6-5 | AV Suppiah | Somerset v Glamorgan | 2011 | tt2313 |
| 5-11 | M Labuschagne | Glamorgan v Somerset | 2024 | tt13983 |
| 5-16 | RE Watkins | Glamorgan v Gloucestershire | 2009 | tt1235 |
| 5-17 | MG Hogan | Glamorgan v Gloucestershire | 2017 | tt6379 |
| 5-21 | TS Roland-Jones | Middlesex v Glamorgan | 2019 | tt7995 |
| 5-22 | ME Milnes | Kent v Glamorgan | 2021 | tt9685 |
| 5-22 | MW Short | Australia v England | 2024 | tt14165 |
| 5-38 | BTJ Wheal | Hampshire v Glamorgan | 2022 | tt10952 |
| 4-12 | AG Salter | Glamorgan v Gloucestershire | 2019 | tt8012 |
| 4-13 | TS Mills | Southern Brave Men v Welsh Fire Men | 2023 | tt12534 |
| 4-13 | LBK Hollman | Middlesex v Glamorgan | 2024 | tt13936 |
| 4-16 | Azharullah | Northamptonshire v Glamorgan | 2013 | tt3751 |
| 4-16 | CP Wood | Hampshire v Glamorgan | 2015 | tt4932 |
| 4-16 | TS Mills | Southern Brave Men v Welsh Fire Men | 2024 | tt14025 |
| 4-16 | SA Abbott | Birmingham Phoenix Men v Welsh Fire Men | 2024 | tt14034 |
| 4-17 | T van der Gugten | Glamorgan v Sussex | 2016 | tt5803 |
| 4-18 | DW Steyn | Glamorgan v Kent | 2016 | tt5761 |
| 4-19 | ST Finn | Middlesex v Glamorgan | 2021 | tt9701 |
| 4-20 | Shahid Afridi | Hampshire v Glamorgan | 2017 | tt6308 |
| 4-23 | JAR Harris | Glamorgan v Northamptonshire | 2009 | tt1326 |
| 4-25 | DA Cosker | Glamorgan v Surrey | 2015 | tt4990 |
| 4-26 | AU Rashid | Yorkshire v Glamorgan | 2016 | tt5879 |
| 4-26 | AD Lenham | Sussex v Glamorgan | 2021 | tt9800 |
| 4-27 | GG Wagg | Glamorgan v Hampshire | 2015 | tt4932 |
| 4-28 | MG Hogan | Glamorgan v Hampshire | 2016 | tt5740 |
| 4-28 | KMDN Kulasekara | Sussex v Glamorgan | 2016 | tt5803 |
| 4-30 | GB Hogg | Warwickshire v Glamorgan | 2004 | tt82 |
| 4-30 | Wahab Riaz | Trent Rockets Men v Welsh Fire Men | 2021 | tt9884 |
| 4-32 | CA Ingram | Glamorgan v Yorkshire | 2016 | tt5879 |
| 4-32 | D Paterson | South Africa v England | 2017 | tt6305 |
| 4-33 | TS Mills | Sussex v Glamorgan | 2024 | tt13709 |