| John Seasman | |
| Birth Date: | 21 February 1955 |
| Birth Place: | Liverpool, England |
| Height: | 5 ft 10 in[1] |
| Position: | Midfielder |
| Years1: | 1972–1975 |
| Caps1: | 17 |
| Goals1: | 0 |
| Years2: | 1975–1976 |
| Clubs2: | Luton Town |
| Caps2: | 8 |
| Goals2: | 2 |
| Years3: | 1976–1980 |
| Clubs3: | Millwall |
| Caps3: | 158 |
| Goals3: | 35 |
| Years4: | 1980–1984 |
| Caps4: | 100 |
| Goals4: | 25 |
| Years5: | 1984–1985 |
| Clubs5: | Cardiff City |
| Caps5: | 12 |
| Goals5: | 2 |
| Years6: | 1984 |
| Clubs6: | → Rochdale (loan) |
| Caps6: | 8 |
| Goals6: | 0 |
| Years7: | 1985 |
| Clubs7: | Chesterfield |
| Caps7: | 10 |
| Goals7: | 1 |
| Years8: | 1985–1988 |
| Clubs8: | Rochdale |
| Caps8: | 87 |
| Goals8: | 4 |
| Years9: | 1988–1989 |
| Caps9: | 10 |
| Goals9: | 0 |
| Years10: | 1989 |
| Caps10: | 15 |
| Goals10: | 0 |
| Years11: | 1989–1990 |
| Clubs11: | Runcorn |
| Caps11: | 29 |
| Goals11: | 4 |
| Years12: | 1990–1991 |
| Years13: | 1991 |
| Clubs13: | Hyde United |
| Caps13: | 7 |
| Goals13: | 0 |
| Totalcaps: | 461 |
| Totalgoals: | 73 |
John Seasman (born 21 February 1955) is an English former professional footballer who played in the Football League as a midfielder.