98 Degrees (stylized as 98°) is a vocal group consisting of brothers Nick and Drew Lachey, Jeff Timmons, and Justin Jeffre. Their first Christmas album, "98 Degrees This Christmas," has sold over two million copies and is widely recognized as one of the most successful holiday albums ever.

The American pop and R&B group was started independently by Jeff Timmons in Los Angeles, California, although all of its members originate from Ohio. Unlike most boy bands, they were later picked up by a record label, rather than being assembled by a label or a producer. They have sold over 10 million records worldwide and achieved eight top 40 singles in the U.S. Between late 1997 and 2000, the group reached top-twenty status on the Billboard U.S. Hot 100 chart, with their debut single "Invisible Man" peaking at No. 12, and 1999's pop/R&B cover of the country ballad "I Do (Cherish You)" peaking at No. 13. The group successfully charted in the U.S. top five with "Give Me Just One Night (Una Noche)", "Because of You", "The Hardest Thing", and "Thank God I Found You"—the latter as a guest artist backing Mariah Carey to give 98 Degrees their only number-one song, which earned a Grammy Award nomination for Best Pop Collaboration with Vocals.

Beginning with an August 2012 performance at the Mixtape Festival in Hershey, Pennsylvania, the group reunited and continues to record new music.