Dennis Lehane (born August 4, 1965) is an American author. He has written several novels; the first several were a series of mysteries featuring a couple of protagonists and other recurring characters, including A Drink Before the War. Of these, his fourth, Gone, Baby, Gone, was adapted as a 2007 film by the same name.
Lehane has taken on different topics in other novels. Those adapted as films of the same name included Mystic River (2001), with a 2003 film by the same name, directed by Clint Eastwood, which won several awards. Shutter Island was adapted as a 2010 film directed by Martin Scorsese. Lehane is a graduate of Eckerd College in St. Petersburg, Florida.