Highest totals For County Championship - Glamorgan
Highest totals
Team | Score | Overs | RR | Inns | Opposition | Ground | Result | Match Date | Scorecard |
| 672/6d | 177.0 | 3.79 | 1 | v Surrey | The Oval | draw | 21 Sep 2021 | First-class | |
| 462/4d | 113.0 | 4.08 | 2 | v Northants | Cardiff | draw | 11 Jul 2021 | First-class | |
| 407 | 113.1 | 3.59 | 1 | v Northants | Northampton | lost | 22 Apr 2021 | First-class | |
| 364 | 130.0 | 2.80 | 3 | v Durham | Chester-le-Street | lost | 5 Sep 2021 | First-class | |
| 349 | 127.1 | 2.74 | 3 | v Sussex | Cardiff | lost | 15 Apr 2021 | First-class | |
| 344 | 109.5 | 3.13 | 1 | v Lancashire | Manchester | draw | 6 May 2021 | First-class | |
| 330 | 101.4 | 3.24 | 1 | v Yorkshire | Leeds | draw | 8 Apr 2021 | First-class | |
| 311/5d | 82.0 | 3.79 | 3 | v Northants | Northampton | lost | 22 Apr 2021 | First-class | |
| 309 | 107.3 | 2.87 | 1 | v Gloucs | Cardiff | lost | 12 Sep 2021 | First-class | |
| 285 | 75.0 | 3.80 | 1 | v Sussex | Cardiff | lost | 15 Apr 2021 | First-class | |
| 241/4d | 78.4 | 3.06 | 3 | v Yorkshire | Leeds | draw | 8 Apr 2021 | First-class | |
| 215 | 64.5 | 3.31 | 2 | v Sussex | Hove | draw | 4 Jul 2021 | First-class | |
| 197 | 61.5 | 3.18 | 2 | v Kent | Cardiff | won | 29 Apr 2021 | First-class | |
| 188/4 | 58.1 | 3.23 | 4 | v Lancashire | Cardiff | won | 3 Jun 2021 | First-class | |
| 164/4 | 40.0 | 4.10 | 3 | v Yorkshire | Cardiff | draw | 13 May 2021 | First-class | |
| 154/5 | 50.2 | 3.05 | 4 | v Sussex | Hove | draw | 4 Jul 2021 | First-class | |
| 150 | 39.2 | 3.81 | 2 | v Lancashire | Cardiff | won | 3 Jun 2021 | First-class | |
| 149 | 53.5 | 2.76 | 1 | v Yorkshire | Cardiff | draw | 13 May 2021 | First-class | |
| 134 | 44.5 | 2.98 | 1 | v Essex | Cardiff | lost | 30 Aug 2021 | First-class | |
| 124 | 42.0 | 2.95 | 3 | v Gloucs | Cardiff | lost | 12 Sep 2021 | First-class | |
| 112 | 33.5 | 3.31 | 3 | v Essex | Cardiff | lost | 30 Aug 2021 | First-class | |
| 97 | 32.0 | 3.03 | 1 | v Durham | Chester-le-Street | lost | 5 Sep 2021 | First-class | |
| 64/3d | 26.0 | 2.46 | 2 | v Kent | Canterbury | draw | 20 May 2021 | First-class | |
| 23/1 | 7.0 | 3.28 | 4 | v Kent | Canterbury | draw | 20 May 2021 | First-class | |
| 19/0 | 2.2 | 8.14 | 4 | v Kent | Cardiff | won | 29 Apr 2021 | First-class |
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