2021–22 Sydney Thunder season

The 2021–22 Sydney Thunder season was the eleventh in the team's history. Coached by Trevor Bayliss, the Thunder entered BBL|11 placing in fourth in BBL|10.

Squad information
Each 2021–22 squad is made up of 18 active players. Teams can sign up to five overseas players, with a maximum of three of those being able to play in a matchday.

Personnel changes made ahead of the season included:


 * English internationals Alex Hales and Sam Billings opted to re-sign with the Thunder for the season.
 * New Zealand international Adam Milne opted not to re-sign with the Thunder for the season.
 * English international Saqib Mahmood signed with the Thunder, but will not be available for the start of the tournament due to scheduling
 * Callum Ferguson departed the Thunder, with no contract being offered.

The current squad of the Sydney Thunder for the 2021–22 Big Bash League season as of 7 December 2021.


 * Players with international caps are listed in bold.