Jon Provost (born Jonathan Bion Provost on March 12, 1950, in Los Angeles, California) is a former child actor of film and television. He is best known for his role as young Timmy Martin in the CBS series, Lassie.
- Born: Jonathan Bion Provost March 12, 1950 (age 63) Los Angeles, California, USA
- Occupation: Actor; Educator; Businessman
- Years active: 1958-present
- Spouse(s): Sandy Goosens (1979-1993) (divorced) 2 children Laurie Jacobson (1999-present)