TNT is the third studio album by American post-rock band Tortoise, released in 1998 by Thrill Jockey. After Jeff Parker joined the band in 1996, Tortoise recorded TNT over the course of a year with drummer John McEntire acting as producer, editor and mixing. Taking influence from their remix material of the 1990s, the band recorded the album using hard disk technology in a "forward-then-back" approach, with members individually adding parts to tracks at different stages until the tracks were completed. As with previous albums, the band members also shared instrumental roles.

Tortoise is an American post-rock band formed in Chicago, Illinois in 1990. The band incorporates krautrock, dub, minimal music, electronica and jazz into their music, and their eclectic style has left a great influence on the post-rock genre. Tortoise have been consistently credited for the rise of the post-rock movement in the 1990s.