| Previous Year: | 1930 |
| Previous Tournament: | 1930 English cricket season |
| Next Year: | 1932 |
| Next Tournament: | 1932 English cricket season |
1931 was the 38th season of County Championship cricket in England. New Zealand played their first Test series in England, the hosts winning 1–0. Yorkshire won the championship.
See main article: New Zealand cricket team in England in 1931. England defeated the first New Zealand tourists 1–0 with two matches drawn.
See main article: 1931 County Championship.
Herbert Sutcliffe topped the averages with 3006 runs @ 96.96
Harold Larwood topped the averages with 129 wickets @ 12.03