| Cricket format | First-class cricket (3 days) |
|---|---|
| Tournament format(s) | League system |
| Champions | Surrey (6th title) |
| Participants | 15 |
| Matches | 150 |
| Most runs | K. S. Ranjitsinhji (2,285 for Sussex) |
| Most wickets | Albert Trott (146 for Middlesex) |
The 1899 County Championship was the tenth officially organised running of the County Championship, and ran from 1 May to 6 September 1899. Surrey County Cricket Club won their sixth championship title, with Middlesex finishing as runners-up for the second season in a row. Worcestershire were admitted to the Championship, increasing the number of counties with first-class status to 15.