Brad Leftwich (born 1953) is a prominent American old-time fiddle and banjo player and teacher. He is originally from Oklahoma.Leftwich was a founding member of the Plank Road String Band in the mid-1970s. He has recorded for the Rounder, County, Copper Creek, and Marimac labels.He has written a book on the Round Peak clawhammer banjo style that is published by Mel Bay, and has released two old-time fiddle instructional videos.