| Previous Year: | 1965 |
| Previous Tournament: | 1965 English cricket season |
| Next Year: | 1967 |
| Next Tournament: | 1967 English cricket season |
1966 was the 67th season of County Championship cricket in England. It featured an entertaining Test series between England and West Indies in which the great West Indian all-rounder Gary Sobers was outstanding. In domestic cricket, Yorkshire, led by Brian Close, won the County Championship. Close became England's captain too.
See main article: West Indian cricket team in England in 1966. West Indies won the series 3–1 with one match drawn.
See main article: article and 1966 County Championship.
See main article: article and 1966 Gillette Cup.
Gary Sobers topped the averages with 1,349 runs @ 61.31
Derek Underwood topped the averages with 157 wickets @ 13.80