Dwight Diller (born 1946) is an American banjo and fiddle player and teacher. He is considered to be one of the most prominent exponents of the clawhammer banjo tradition.
Diller lived in Hillsboro, West Virginia and now Marlinton, and is an inheritor of the old-time music tradition of the Hammons Family of West Virginia. He has conducted banjo workshops around the United States and in England. He has released a number of recordings and instructional videos.