| Club: | Blackpool F.C. |
| Season: | 1956–57 |
| League: | Division One |
| Manager: | Joe Smith |
| League Result: | 4th |
| League Topscorer: | Jackie Mudie (32) |
| Season Topscorer: | Jackie Mudie (38) |
| Cup1: | FA Cup |
| Cup1 Result: | Fifth round[1] |
| Pattern La1: | _whiteborder |
| Pattern B1: | _vneckwhite |
| Pattern Ra1: | _whiteborder |
| Pattern So1: | _orangetop |
| Leftarm1: | ffa500 |
| Body1: | ffa500 |
| Rightarm1: | ffa500 |
| Shorts1: | ffffff |
| Socks1: | 000000 |
| Prevseason: | 1955–56 |
The 1956–57 season was Blackpool F.C.'s 49th season (46th consecutive) in the Football League. They competed in the 22-team Division One, then the top tier of English football, finishing fourth.
Jackie Mudie was the club's top scorer for the second consecutive season, with 38 goals (32 in the league and six in the FA Cup, including four against Fulham in the fourth round).