Big Thief is an alternative rock band from Brooklyn, formed in 2015. Adrianne Lenker is the lead singer and songwriter for the group. She also contributes guitar melodies.

The band also includes Buck Meek on guitar, Max Oleartchik on bass, and James Krivchenia on drums. They released their first two albums, Masterpiece and Capacity with Saddle Creek Records before releasing their third and fourth albums, U.F.O.F. and Two Hands, in quick succession with 4AD.

Meek and Lenker met in Brooklyn several years prior to the formation of Big Thief. They recorded a pair of duo albums, A-Sides and B-Sides.