| 219* | Saeed Anwar | Pakistanis v Glamorgan | 1996 | f42480 |
| 169* | Inzamam-ul-Haq | Pakistanis v Glamorgan | 1996 | f42480 |
| 154 | CJ Barnett | Gloucestershire v Glamorgan | 1933 | f14225 |
| 150* | JS Pressdee | Glamorgan v Cambridge University | 1965 | f25841 |
| 140 | DE Davies | Glamorgan v Warwickshire | 1937 | f15784 |
| 136 | NVH Riches | Glamorgan v Derbyshire | 1926 | f11638 |
| 136 | FJ Seabrook | Gloucestershire v Glamorgan | 1928 | f12439 |
| 127 | RES Wyatt | Warwickshire v Glamorgan | 1937 | f15784 |
| 126 | DL Hemp | Glamorgan v South Africans | 1994 | f41226 |
| 118 | LG Crawley | Essex v Glamorgan | 1936 | f15474 |
| 111 | WW Whysall | Nottinghamshire v Glamorgan | 1929 | f12838 |
| 102 | DE Davies | Glamorgan v Sussex | 1939 | f16599 |
| 101 | MP Maynard | Glamorgan v South Africans | 1994 | f41226 |