| Dates | 30 April – 13 September 1983 |
|---|---|
| Administrator | England and Wales Cricket Board |
| Cricket format | First-class cricket |
| Tournament format | League system |
| Champions | Essex (2nd title) |
| Participants | 17 |
| Matches | 204 |
| Most runs | Ken McEwan , (Essex) 2,051 |
| Most wickets | Derek Underwood, (Kent) 105 |
The 1983 Schweppes County Championship was the 84th officially organised running of the County Championship. Essex won the Championship title. The Championship was sponsored by Schweppes for the sixth and final time.
In May 1983, in the match between Essex and Surrey at Chelmsford, Surrey were dismissed in their first innings for 14 runs; as of 2025, it remains the lowest completed innings total in a Championship match since World War II.
| Team | P | W | L | D | Bat | Bowl | Pts | |
|---|---|---|---|---|---|---|---|---|
| 1 | Essex | 24 | 11 | 5 | 8 | 69 | 79 | 324 |
| 2 | Middlesex | 24 | 11 | 4 | 8 | 60 | 72 | 308 |
| 3 | Hampshire | 24 | 10 | 2 | 12 | 62 | 71 | 289 |
| 4 | Leicestershire | 24 | 9 | 3 | 12 | 52 | 81 | 277 |
| 5 | Warwickshire | 24 | 10 | 3 | 11 | 52 | 64 | 276 |
| 6 | Northamptonshire | 24 | 7 | 4 | 13 | 63 | 77 | 252 |
| 7 | Kent | 24 | 7 | 4 | 13 | 68 | 70 | 250 |
| 8 | Surrey | 24 | 7 | 4 | 13 | 65 | 70 | 247 |
| 9 | Derbyshire | 24 | 7 | 5 | 12 | 46 | 65 | 219 |
| 10 | Somerset | 24 | 3 | 7 | 14 | 57 | 75 | 180 |
| 11 | Sussex | 24 | 3 | 10 | 10 | 50 | 72 | 170 |
| 12 | Gloucestershire | 24 | 3 | 8 | 12 | 56 | 61 | 165 |
| 13 | Lancashire | 24 | 3 | 4 | 17 | 56 | 61 | 165 |
| 14 | Nottinghamshire | 24 | 3 | 10 | 11 | 39 | 62 | 149 |
| 15 | Glamorgan | 24 | 2 | 10 | 12 | 45 | 64 | 141 |
| 16 | Worcestershire | 24 | 2 | 11 | 11 | 43 | 54 | 129 |
| 17 | Yorkshire | 24 | 1 | 5 | 17 | 45 | 64 | 125 |