The 1998 Triple J Hottest 100, announced in January, 1999, was the sixth such countdown of the most popular songs of the year, according to listeners of the Australian radio station Triple J. As in previous years, a CD featuring 36 of the songs was released. In August 1998 a Hottest 100 of All Time was conducted separate to normal countdown. In February 2019, Triple J's sister station Double J conducted a 're-vote' of the 1998 top 10.