The 2020–21 Telekom S-League was the 17th season of the Telekom S-League, the top football league in the Solomon Islands.

The league started on 8 August 2020.

[1][2] Eleven teams play the 2020 season, an increase from nine in the 2019–2020 season.

[3][4] FC Guadalcanal from the previous season did not enter, and were replaced by Central Coast, Honiara City and Southern United.