Dennis Lehane (born August 4, 1965) is an American author. He has written several award-winning novels, including A Drink Before the War and the New York Times bestseller Mystic River, which was later made into an Academy Award-winning film. Another novel, Gone, Baby, Gone, was also adapted into an Academy Award-nominated film.
Lehane was born and reared in the Dorchester neighborhood of Boston, Massachusetts, and continues to live in the Boston area, which provides the setting for most of his books. He spent summers on Fieldston Beach in Marshfield. Lehane is the youngest of five children. His father was a foreman for Sears & Roebuck and his mother worked in a Boston public school cafeteria. Both of his parents emigrated from Ireland. His brother, Gerry Lehane, who is two and a half years older than Dennis, is a veteran actor who trained at the Trinity Repertory Company in Providence before heading to New York in 1990. Gerry is currently a member of the Invisible City Theatre Company.
He was previously married to Sheila, an advocate for the elderly for the city of Boston. Currently, he is married to Dr. Angela Bernardo.