John Chadwick Stirratt[1] is an American bassist and multi-instrumentalist for Wilco[2] and The Autumn Defense.

He attended Mandeville High School and the University of Mississippi, and is a member of Phi Kappa Tau fraternity.

He played regularly around the American South with The Hilltops, a band based in Oxford, Mississippi which included his twin sister Laurie Stirratt and her husband Cary Hudson.

During that time he met and befriended the band Uncle Tupelo supporting them on tours of the East and Midwest.

After the breakup of Uncle Tupelo, Stirratt rejoined Jeff Tweedy, Ken Coomer, and Max Johnston to found Wilco in 1994.