1978 County Championship
| Cricket format | First-class cricket |
|---|---|
| Tournament format(s) | League system |
| Champions | Kent |
The 1978 Schweppes County Championship was the 79th officially organised running of the County Championship. Kent won the Championship title. Sussex and Glamorgan were both deducted six points after a breach of regulations. The Championship was sponsored by Schweppes for the first time.