Lech Kowalski is an American film director of Polish descent. He was born 1951 in London to Polish parents.
His most notable film is the documentary, D.O.A. subtitled "A Rite of Passage", which chronicled the burgeoning UK punk scene at the tail-end of the 1970s, and included footage of the Sex Pistols' abortive 1978 American Tour. He also directed Story of a Junkie, a film starring John Spacely, and Born To Lose: The Last Rock and Roll Movie, about Johnny Thunders of the New York Dolls and The Heartbreakers. He also created Hey! Is Dee Dee Home?, which focused on Ramones bassist Dee Dee Ramone and his struggle with heroin addiction.