| Administrator(s) | Test and County Cricket Board |
|---|---|
| Cricket format | Limited overs cricket(40 overs per innings) |
| Tournament format(s) | League |
| Champions | Leicestershire (2nd title) |
| Participants | 17 |
| Matches | 136 |
| Most runs | 814 Clive Rice (Nottinghamshire) |
| Most wickets | 31 Ken Higgs (Leicestershire) |
The 1977 John Player League was the ninth competing of what was generally known as the Sunday League. The competition was won for the second time by Leicestershire County Cricket Club.