Catweazle is a British children's fantasy television series, starring Geoffrey Bayldon in the title role, and created by Richard Carpenter for London Weekend Television. The first series, produced and directed in 1969 by Quentin Lawrence, was screened in the UK on ITV in 1970. The second series, produced and directed in 1970 by David Reid and David Lane, was shown in 1971. Each series had thirteen episodes, most but not all written by Carpenter, who also published two books based on the scripts.

Albert Geoffrey Bayldon was an English actor. After playing roles in many stage productions, including the works of William Shakespeare, he became known for portraying the title role of the children's series Catweazle (1969–70). Bayldon's other long-running parts include the Crowman in Worzel Gummidge (1979–81) and Magic Grandad in the BBC television series Watch (1995).