The Notorious Sophie Lang is a 1934 American crime drama film directed by Ralph Murphy and starring Gertrude Michael, Paul Cavanagh and Alison Skipworth.

[1] The title character is a beautiful international jewel thief who returns to the United States after five years in Britain, but the American detectives set a trap.

The Notorious Sophie Lang is the first of three Sophie Lang pictures with Gertrude Michael, each with a different director.

The others are The Return of Sophie Lang (1936) and Sophie Lang Goes West (1937).

This article about a 1930s crime drama film is a stub.