The Amazing Mr. Blunden is a 1972 British family mystery film involving ghosts directed by Lionel Jeffries. It was based on the 1969 novel The Ghosts by Antonia Barber. It stars Laurence Naismith, Lynne Frederick, Garry Miller, Rosalyn Landor, Marc Granger, Diana Dors, Madeline Smith, and James Villiers.

Lionel Charles Jeffries was an English actor, director, and screenwriter. He appeared primarily in films and was nominated for a Golden Globe Award for his role in The Spy with a Cold Nose.