The 2021 Caribbean Premier League (CPLT20) or for sponsorship reasons, Hero CPL 2021 was the ninth season of the Caribbean Premier League, the domestic Twenty20 cricket league that was played in the West Indies. The tournament was held from 26 August to 15 September 2021, with all the matches took place in Saint Kitts and Nevis. A players' draft was held on 28 May 2021. On 14 July 2021, Cricket West Indies confirmed the fixtures for the tournament. The Trinbago Knight Riders were the defending champions.
Prior to the start of the tournament, two of the franchise teams were renamed. The Barbados Tridents became the Barbados Royals, and the St Lucia Zouks became the Saint Lucia Kings.
In the final, the St Kitts & Nevis Patriots beat the Saint Lucia Kings by three wickets to win their first CPL title.
The following players were named for the tournament:
Advanced to the Knockout stage