2021 T10 League or Abu Dhabi T10 2021 was the fourth season of the T10 League. The matches had a 10-over-a-side format with a time duration of 90 minutes. The tournament was played as a round robin followed by semifinals and the final. It was originally scheduled to be played from 19 to 28 November 2020 at the Sheikh Zayed Cricket Stadium. The tournament started from 28 January with final held on 6 February 2021 due to the COVID-19 pandemic.
Karnataka Tuskers changed their name to Pune Devils.