| Club: | Blackpool F.C. |
| Season: | 1984–85 |
| League: | Division Four |
| Manager: | Sam Ellis |
| League Result: | 2nd (promoted) |
| League Topscorer: | John Deary (13) |
| Season Topscorer: | John Deary (15) |
| Cup1: | FA Cup |
| Cup1 Result: | First round |
| Cup2: | League Cup |
| Cup2 Result: | Second round |
| Pattern La1: | _whiteborder |
| Pattern B1: | _vneckwhite |
| Pattern Ra1: | _whiteborder |
| Pattern Sh1: | _sides_on_white |
| Leftarm1: | ffa500 |
| Body1: | ffa500 |
| Rightarm1: | ffa500 |
| Shorts1: | ffa500 |
| Socks1: | ffa500 |
| Prevseason: | 1983–84 |
The 1984–85 season was Blackpool F.C.'s 77th season (74th consecutive) in the Football League. They competed in the 24-team Division Four, then the bottom tier of English league football, finishing second. As a result, they were promoted to Division Three. As of 2020, this remains the last time they achieved automatic promotion.
John Deary was the club's top scorer, with fifteen goals (thirteen in the league and two in the League Cup).