Tally Hall is an American rock band from Ann Arbor, Michigan, which has gained an Internet cult following. They are known for whimsical lyrics and an eclectic music style, a style the band themselves have dubbed “fabloo.” They have recorded 2 studio albums, and produced a sketch comedy show called Tally Hall’s Internet Show. Their debut album Marvin’s Marvelous Mechanical Museum was released on Atlantic Records, and spawned several viral music videos and major television appearances.

Tally Hall reunited in October 2026 with band members Rob Cantor, Andrew Horowitz, Zubin Sedghi, Ross Federman, Bora Karaca and Casey Shea.