| 161 | WGA Parkhouse | Glamorgan v Gloucestershire | 1950 | f18800 |
| 139 | B Hedges | Glamorgan v Nottinghamshire | 1957 | f21841 |
| 128 | AJ Watkins | Glamorgan v Sussex | 1951 | f19261 |
| 125 | WGA Parkhouse | Glamorgan v Warwickshire | 1954 | f20496 |
| 123* | Nawab of Pataudi | Worcestershire v Glamorgan | 1933 | f14268 |
| 119 | B Hedges | Glamorgan v Warwickshire | 1954 | f20496 |
| 118 | PH Parfitt | Middlesex v Glamorgan | 1961 | f23935 |
| 116 | AJ Watkins | Glamorgan v Essex | 1953 | f20014 |
| 115 | G Lavis | Glamorgan v Worcestershire | 1933 | f14268 |
| 111 | AJ Watkins | Glamorgan v Nottinghamshire | 1955 | f20889 |
| 101 | G Lavis | Glamorgan v Northamptonshire | 1935 | f14951 |
| 100 | AJ Watkins | Glamorgan v Lancashire | 1959 | f22738 |