The 2021 Triple J Hottest 100 was announced on 22 January 2022. It was the 29th annual countdown of the most popular songs of the year, as voted for by listeners of Australian radio station Triple J. Australian children's music group the Wiggles was voted into first place with their Like a Version cover of Tame Impala's "Elephant", making it the first Like a Version to place first in a Hottest 100. Olivia Rodrigo and Doja Cat achieved the most entries in the countdown, with both scoring five.