Brian McMahan (born 1969) is a guitarist from Louisville, Kentucky, United States. He was a member of the band Squirrel Bait and went on to create the seminal band Slint. He was both vocalist and guitarist for this band. After their breakup in November 1990, he went on to play with Will Oldham on his project Palace Brothers. In 1994, Brian formed The For Carnation which acted as a creative outlet; he remains the only permanent member of the band. He was also part of King Kong. McMahan plays guitar on the song "Why I'm So Unhappy" by Dntel.