Stephen Wozniak (born January 22, 1971, Dover, New Hampshire) is an American film and television actor and producer. He is the founder of the Beverly Hills, California feature film production company Inevitable Film Group and the branded entertainment production company Hazmat Pictures.

Stephen was born in Dover, New Hampshire to John Wozniak, an aeronautical and mechanical engineer, and Margaret Wozniak. He has an older brother and sister. He briefly moved with his family to Centerville, Virginia before settling in Columbia, Maryland, close to where his father worked for the The Johns Hopkins University Applied Physics Laboratory.

Stephen graduated with a bachelor's degree in fine arts from the Maryland Institute College of Art in Baltimore, Maryland. He also attended The Johns Hopkins University. Before and after graduating, he attended acting classes and soon afterwards began a professional theatre career in Metropolitan Washington, D.C., variously performing at The Studio Theatre, The Baltimore Museum of Art, The Theatre Project and other performance venues. After spending some time New York City, Stephen subsequently moved to Los Angeles, California.