Guillaume Vigneault, (born August 5, 1970 in Montreal, Quebec, Canada) is a novelist, son of Gilles Vigneault.
After receiving a bachelor's degree in literary studies at the Université du Québec à Montréal and beginning a master's degree in the same subject, he decided to be a novelist. When he was young, his favourite writers were Albert Camus, Ernest Hemingway and Fyodor Dostoyevsky. He is a musician and used to be a bartender in a pub next to his University campus near the Montreal area of Plateau Mont-Royal.
His novel Chercher le Vent was published in October 2001. In 2003 it was published in English by Douglas and McIntyre, under the title "Necessary Betrayals".
In 2005 he wrote the complete text for "La dictée des Amériques".