But what about those that are likely to stay?
Here, in position order, we take a look at the players that are still under contract beyond this summer...
1. A big summer ahead
The Seasiders could be set for a big turnover of players this summer Photo: CameraSport - Lee Parker
2. Dan Grimshaw
Blackpool's current number one is contracted until 2025, with an option to extend by 12 months Photo: CameraSport - Dave Howarth
3. Marvin Ekpiteta
The defender, currently out through injury, has another year remaining on his deal, albeit with no option. Photo: CameraSport - Dave Howarth
4. Oliver Casey
The centre-back, who has been on loan with Forest Green this season, is under contract until 2024 with an option for a further year. Photo: CameraSport - Dave Howarth
5. Doug Tharme
Currently on loan with Accrington Stanley, the centre-back's contract runs until 2024 with a year option. Photo: CameraSport - Dave Howarth
6. Jordan Gabriel
The right-back is under contract until 2025, with an option to extend by 12 months. Photo: CameraSport - Dave Howarth