| 1 | 256 | DJ McGlew & TL Goddard | South Africans v Glamorgan | 1960 | f23229 |
| 2 | 273 | JL Hopwood & GE Tyldesley | Lancashire v Glamorgan | 1934 | f14573 |
| 3 | 244 | A Sandham & HT Barling | Surrey v Glamorgan | 1936 | f15535 |
| 4 | 263 | G Lavis & CC Smart | Glamorgan v Worcestershire | 1934 | f14618 |
| 5 | 188* | JS Pressdee & AHM Rees | Glamorgan v Lancashire | 1964 | f25376 |
| 6 | 217 | DE Davies & CC Smart | Glamorgan v Lancashire | 1936 | f15390 |
| 7 | 156 | JE McConnon & JS Pressdee | Glamorgan v Middlesex | 1958 | f22270 |
| 8 | 174 | WE Jones & G Lavis | Glamorgan v Essex | 1947 | f17553 |
| 9 | 137* | JW Hearne & AE Wilson | Middlesex v Glamorgan | 1932 | f14038 |
| 10 | 131* | CC Smart & DW Hughes | Glamorgan v South Africans | 1935 | f14969 |