Philip Michael Ondaatje, CC FRSL (/ɒnˈdɑː/; born 12 September 1943), is a Sri Lankan-born Canadian poet, fiction writer, essayist, novelist, editor and filmmaker.

He has won the Governor General's Award, the Giller Prize, the Booker Prize, and the Prix Médicis étranger.

Ondaatje is also an Officer of the Order of Canada. He is seen as Canada's most renowned living authors.