Antonio D'Alfonso (born 6 August 1953) is a Canadian writer, editor, publisher, and filmmaker, best known as the founder of Guernica Editions.
Antonio D'Alfonso was born in Montreal into an Italian-Canadian family. He grew up speaking Italian and attended both English and French schools and became trilingual. He earned a BA from Loyola College (Concordia University) and a MA from the Université de Montréal. In 1978 he founded Guernica Editions in Montreal as a bilingual publishing house. D'Alfonso sold Guernica in 2009.