Arthur C. Clarke's Mysterious Universe was a popular eighteen part television series looking at unexplained phenomena across the universe. It was first broadcast in the United Kingdom by independent television network ITV. It premiered on July 15, 1994. It was the sequel to Arthur C. Clarke's Mysterious World and Arthur C. Clarke's World of Strange Powers.

The series is introduced by acclaimed science fiction writer Arthur C. Clarke in short sequences filmed at his home in Sri Lanka. However, individual episodes are narrated by Carol Vorderman. The series was produced by John Fairley and directed by Peter Jones, Michael Weigall and Charles Flynn.