The discography of American rapper Jack Harlow consists of three studio albums, six mixtapes, two extended plays, and 36 singles (including six as a featured artist).

On March 13, 2020, his 22nd birthday, Harlow released his second extended play, Sweet Action.

"Whats Poppin" is also included on the album, as well as the remix, which features DaBaby, Tory Lanez, and Lil Wayne.

In 2021, Harlow released a collaboration with Lil Nas X titled "Industry Baby", which became his first number-one single on the Hot 100.

It produced his second number-one single, "First Class", which is also his first song to debut atop the Hot 100.