| 1 | 93 | GI Macmillan & DL Maddy | Leicestershire v Glamorgan | 1994 | a8785 |
| 2 | 117 | BR Hardie & ME Waugh | Essex v Glamorgan | 1989 | a6126 |
| 3 | 223 | SJ Cook & GD Rose | Somerset v Glamorgan | 1990 | a6656 |
| 4 | 107 | AHM Rees & JS Pressdee | Glamorgan v Essex | 1964 | a24 |
| 5 | 116 | TW Graveney & RG Broadbent | Worcestershire v Glamorgan | 1963 | a10 |
| 6 | 84 | KWR Fletcher & NA Foster | Essex v Glamorgan | 1987 | a5371 |
| 7 | 39 | EA Cordle & EW Jones | Glamorgan v Gloucestershire | 1970 | a365 |
| 8 | 43 | Worcestershire v Glamorgan | 1963 | a10 | |
| 9 | 25* | M Burns & MAV Bell | Warwickshire v Glamorgan | 1993 | a8165 |
| 10 | 19* | AS Brown & J Davey | Gloucestershire v Glamorgan | 1970 | a365 |