| Administrator: | Test and County Cricket Board |
| Cricket Format: | Limited overs cricket(40 overs per innings) |
| Tournament Format: | League |
| Champions: | Leicestershire |
| Count: | 2 |
| Participants: | 17 |
| Matches: | 136 |
| Most Runs: | 814 Clive Rice (Nottinghamshire) |
| Most Wickets: | 31 Ken Higgs (Leicestershire) |
| Previous Year: | 1976 |
| Previous Tournament: | 1976 John Player League |
| Next Year: | 1978 |
| Next Tournament: | 1978 John Player League |
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.
| width=200 | Team | width=20 | Pld | width=20 | W | width=20 | T | width=20 | L | width=20 | N/R | width=20 | A | width=20 | Pts | width=60 | R/R |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Leicestershire (C) | 16 | 13 | 0 | 3 | 0 | 0 | 52 | 4.626 | |||||||||
| 16 | 12 | 0 | 2 | 1 | 1 | 52 | 4.554 | ||||||||||
| 16 | 9 | 0 | 5 | 2 | 0 | 40 | 4.706 | ||||||||||
| 16 | 8 | 0 | 5 | 1 | 2 | 38 | 4.666 | ||||||||||
| 16 | 9 | 0 | 6 | 1 | 0 | 38 | 4.237 | ||||||||||
| 16 | 6 | 0 | 5 | 2 | 3 | 34 | 4.534 | ||||||||||
| 16 | 7 | 0 | 6 | 0 | 3 | 34 | 4.399 | ||||||||||
| 16 | 7 | 0 | 7 | 1 | 1 | 32 | 4.271 | ||||||||||
| 16 | 6 | 0 | 8 | 0 | 2 | 28 | 4.190 | ||||||||||
| 16 | 6 | 0 | 8 | 1 | 1 | 28 | 4.679 | ||||||||||
| 16 | 5 | 0 | 7 | 0 | 4 | 28 | 4.514 | ||||||||||
| 16 | 6 | 0 | 9 | 1 | 0 | 26 | 4.385 | ||||||||||
| 16 | 5 | 0 | 9 | 0 | 2 | 24 | 4.485 | ||||||||||
| 16 | 5 | 0 | 9 | 1 | 1 | 24 | 3.938 | ||||||||||
| 16 | 3 | 0 | 7 | 4 | 2 | 24 | 4.185 | ||||||||||
| 16 | 5 | 0 | 10 | 0 | 1 | 22 | 4.417 | ||||||||||
| 16 | 4 | 0 | 10 | 1 | 1 | 20 | 3.696 | ||||||||||
| Team marked | |||||||||||||||||