William Charles "Diz" Disley (27 May 1931 – 22 March 2010) was an Anglo-Canadian jazz guitarist and banjoist. He is best known for his acoustic jazz guitar playing, strongly influenced by Django Reinhardt, for his contributions to the UK trad jazz, skiffle and folk scenes as a performer and humorist, and for his collaborations with the violinist Stéphane Grappelli.