Heather O'Neill is a Canadian novelist, poet, short story writer, screenwriter and journalist. She was born in Montreal, Quebec. O'Neill published her debut novel, Lullabies for Little Criminals, in 2006. The novel was then selected for the 2007 edition of Canada Reads. The book also won the Hugh MacLennan Prize for Fiction and was shortlisted for eight other major awards, including the Orange Prize for Fiction and the Governor General's Award and was longlisted for IMPAC Dublin Literary Award.
O'Neill was educated at Dawson College and McGill University. She has also written for The New York Times Magazine, The National Post, The Globe and Mail, and The Toronto Star.