The 2021–22 Hong Kong Sapling Cup is the 7th edition of the Sapling Cup, and is the fourth time in history without name sponsorship. The competition is contested by the 8 teams in the 2021–22 Hong Kong Premier League. Each team is required to field a minimum of three players born on or after 1 January 2000 (U-22) and a maximum of six foreign players during every whole match, with no more than four foreign players on the pitch at the same time. Eastern are the defending champions.