Jackman Thomas "Jack" Harlow (born March 13, 1998) is an American rapper and singer. He began a musical career in 2015, and released several EPs and mixtapes until signing with Don Cannon and DJ Drama's record label Generation Now, an imprint of Atlantic Records in 2018.

Harlow's first mainstream breakthrough came with the release of his 2020 single "Whats Poppin." Aided by its popularity on TikTok, and following a remix with rappers DaBaby, Tory Lanez, and Lil Wayne, it peaked at number two on the U.S. Billboard Hot 100 and received a Grammy Award nomination for Best Rap Performance. That same year, he was included on XXL magazine's 2020 Freshman Class and released his debut studio album Thats What They All Say (2020), which received platinum certification by the Recording Industry Association of America (RIAA). In 2021, Harlow guest featured on Lil Nas X's single "Industry Baby," which became his first number one song on the Billboard Hot 100. His second album, Come Home the Kids Miss You (2022) was supported by his second number-one single and first to debut at the position, "First Class." In 2023, he guest performed on Jungkook's single "3D", which peaked at number five, while his song "Lovin on Me" became his third number-one single on the chart.

Harlow has received numerous accolades, including Top New Artist at the 2021 Billboard Music Awards. That same year, he was named Variety's "Hitmaker of the Year" and was included in Forbes 30 Under 30. He made his acting debut as Jeremy in the 2023 remake of the 1992 film White Men Can't Jump, directed by Calmatic.