For the mountain in Australia, see Three Brothers, New South Wales. For the island, see Middle Brother Islet, Queensland. For the national park, see Middle Brother National Park.

Middle Brother is an American rock band consisting of songwriters and musicians John J. McCauley III of Deer Tick, Taylor Goldsmith of Dawes, and Matt Vasquez of Delta Spirit. They first came together in 2009, and played their first show at the 2010 SXSW film conference and festival at the Ale House in Austin, Texas, where they performed under the moniker "MG&V" in an unannounced appearance. The band played their first official show at The Troubadour in Los Angeles, California on December 20, 2010 under the official name of Middle Brother.

Middle Brother released their self-titled debut album on March 1, 2011.