3rd Secret is an American alternative rock supergroup that debuted in 2022. It features members of the grunge bands Soundgarden, Nirvana, and Pearl Jam.
The band's lineup includes bass guitarist/accordionist Krist Novoselic of Nirvana, drummer Matt Cameron of Pearl Jam and Soundgarden, guitarists Kim Thayil of Soundgarden and Jon "Bubba" Dupree of Void, and vocalists Jillian Raye and Jennifer Johnson. Raye and Novoselic played together in the band Giants in the Trees, while Cameron and Dupree played together in Hater.