Luke Breust led the club goalkicking for the fourth time finishing the season with 40 goals.
1 September 2021 – Craig McRae departs the club after 1 season having been appointed as the next senior coach of Collingwood.
[7] 8 September 2021 – Lachlan Bramble signs a two-year deal to remain at the club until the end of the 2023 season.
[8] 9 September 2021 – Dylan Moore signs a two-year deal to remain at the club until the end of the 2023 season.
[12] 16 September 2021 – Hawthorn announces that they've extended their deal to play at University of Tasmania Stadium until the end of 2022.
[15] 20 October 2021 – Jackson Callow and Jack Saunders sign one–year deals to remain at Hawthorn until the end of 2022.