Mysterons may refer to:
- The Mysterons, a race of Martians that appear in the 1960s TV series Captain Scarlet and the Mysterons and its 2000s remake, Gerry Anderson's New Captain Scarlet
- "The Mysterons" (Captain Scarlet episode), the first episode of Captain Scarlet and the Mysterons
- "Mysterons", a song by Portishead from their 1994 album Dummy