Jex Thoth is a mythological psychedelic rock / doom metal five-piece band from San Francisco, California, United States formed in 2007.

Named after the band’s striking female vocalist, Jex Thoth take their cues from the metallic strains of Black Sabbath and the retro experimentalism of Amon Düül II. Jex Thoth (formerly Jessica Toth) and bassist James Jackson Toth, leader of the experimental outfit Wooden Wand, and credited here as Grim Jim, form the core of the group, which originally took shape under the name Totem. After issuing an EP with that moniker, the group rechristened itself Jex Thoth and set to work on a full-length album, with guitarist Silas Paine and drummer Johnny Dee joining the lineup during the process. Keyboardist Zodiac completed the lineup, and Jex Thoth debuted in 2008 with a self-titled album of thudding, psychedelic acid rock.