| Cricket format | First-class cricket |
|---|---|
| Tournament format(s) | League system |
| Champions | Middlesex (3rd title) |
| Participants | 17 |
The 1921 County Championship was the 28th officially organised running of the County Championship. Middlesex County Cricket Club won their third championship title.[1]
Glamorgan County Cricket Club joined the championship for the first time.[2]
| Team | Pld | W | L | DWF | DLF | NR | Pts | %PC |
|---|---|---|---|---|---|---|---|---|
| Middlesex | 20 | 15 | 2 | 0 | 2 | 1 | 75 | 78.94 |
| Surrey | 24 | 15 | 2 | 3 | 3 | 1 | 81 | 70.43 |
| Yorkshire | 26 | 16 | 3 | 4 | 2 | 1 | 88 | 70.40 |
| Kent | 26 | 16 | 7 | 2 | 1 | 0 | 84 | 64.61 |
| Lancashire | 28 | 15 | 4 | 4 | 3 | 2 | 83 | 63.84 |
| Hampshire | 28 | 14 | 9 | 4 | 1 | 0 | 78 | 55.71 |
| Gloucestershire | 24 | 12 | 12 | 0 | 0 | 0 | 60 | 50.00 |
| Nottinghamshire | 24 | 10 | 8 | 3 | 2 | 1 | 56 | 48.69 |
| Sussex | 28 | 13 | 12 | 1 | 2 | 0 | 67 | 47.85 |
| Somerset | 22 | 8 | 11 | 2 | 1 | 0 | 44 | 40.00 |
| Leicestershire | 26 | 10 | 14 | 0 | 2 | 0 | 50 | 38.46 |
| Derbyshire | 20 | 5 | 12 | 3 | 0 | 0 | 31 | 31.00 |
| Northamptonshire | 24 | 5 | 15 | 1 | 2 | 1 | 27 | 23.47 |
| Worcestershire | 22 | 5 | 15 | 0 | 2 | 0 | 25 | 22.72 |
| Essex | 26 | 5 | 13 | 2 | 6 | 0 | 29 | 22.30 |
| Warwickshire | 26 | 5 | 18 | 1 | 2 | 0 | 27 | 20.76 |
| Glamorgan | 18 | 2 | 14 | 1 | 0 | 1 | 12 | 14.11 |