The Reign of Terror is a historical period during the early part of the French Revolution.

Reign of Terror may also refer to:

• Reign of Terror (demo), a 1984 demo album by Death
• Reign of Terror (Sleigh Bells album) (2012)
• Reign of Terror (Capture the Crown album) (2014)
• Reign of Terror, a 2015 EP by Terror Universal

• Reign of Terror (Osage) or Osage Indian murders, a series of murders in Osage County, Oklahoma from 1921 to 1925
• Reign of Terror (book)
• Reign of Terror (film), a 1949 film about the historical period
• The Reign of Terror (Doctor Who), a 1964 Doctor Who serial
• Reign of Terror, an episode of the 1976 television drama I, Claudius
• Revolutionary terror, the institutionalized application of force to counterrevolutionaries
• Rains of Terror, referring to exoplanet HD 189733 b's harsh weather conditions

• Great Terror (disambiguation)
• Terror (disambiguation)

This disambiguation page lists articles associated with the title Reign of Terror.
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