Black Gate or Blackgate may refer to:

• Blackgate Penitentiary, a fictional prison in the DC Comics universe
• Ultima VII: The Black Gate, Part I of the computer game Ultima VII
• Black Gate or Morannon in J. R. R. Tolkien's Middle-earth, an entrance to Mordor
• Batman: Arkham Origins Blackgate, a 2013 video game
• Black Gate (manga), a Japanese manga written and illustrated by Yukiko Sumiyoshi
• The Black Gate, a 1919 American silent film produced by Vitagraph and starring Ruth Clifford

• The Black Gate (The Castle, Newcastle), a building at the archeological site The Castle, Newcastle upon Tyne, England
• Black Gate (capacitor), a brand of capacitor
• Black Gate (magazine), a fantasy and science fiction magazine

• Porta Nigra (Latin for black gate), a large Roman city gate in Trier, Germany
• Kuromon (Japanese for black gate), in Tokyo, Japan

This disambiguation page lists articles associated with the title Black Gate.
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