Guillermo Verdecchia (born December 7, 1962) is a Canadian theatre artist.
Verdecchia was born in Buenos Aires, Argentina and came to Canada at the age of two. He was raised in Kitchener, Ontario. Verdecchia received an undergraduate degree in theatre at Ryerson Polytechnic in Toronto, and a master's degree in English and Theatre Studies from the University of Guelph in Guelph, Ontario.
Verdecchia received the 1993 Governor-General's Award for Drama for his play Fronteras Americanas. He is a four-time winner of the Floyd S. Chalmers Canadian Play Award, and a recipient of various other awards for acting as well as sundry film festival awards for Crucero/Crossroads, the short film, made with Ramiro Puerta, based on Fronteras Americanas.
His work engages questions of representation, political power, and cultural theory. Verdecchia is a sessional instructor at Algoma University and has been writer-in-residence at Memorial University of Newfoundland, the University of Guelph, and at Ca' Foscari in Venice. In 2007 he was the 2007 Hayes-Jenkinson Memorial lecturer at Algoma University.
He has also published a collection of short stories, Citizen Suarez in 1998.