A. On October 27, 2018, Kamindu Mendis made his international debut for Sri Lanka against England in a T20I in Colombo.

A. Kamindu Mendis represented the Sri Lankan Under-19s at the ICC Under-19 Cricket World Cup 2016 and 2018. He captained the Sri Lankan Under-19s at the ICC Under-19 Cricket World Cup 2018.

A. Kamindu Mendis has played for Sri Lanka in the ICC T20 World Cup 2024 so far.

A. Kamindu Mendis registered his highest international score of 182* against New Zealand in a Test in Galle in September 2024.

A. Kamindu Mendis represented Sri Lanka at the ICC T20 World Cup 2024 held in the West Indies and the United States of America.