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Type 1 machine gun may refer to:

  • Type 1 heavy machine gun, infantry heavy machine gun chambered in 7.7×58mm Arisaka, used by the Imperial Japanese Army.
  • Type 98/Type 1 machine gun, aircraft machine gun chambered in 7.92×57mm Mauser, used by the Imperial Japanese Navy Air Service.
  • Ho-103 machine gun, aircraft heavy machine gun chambered in 12.7×81mmSR Breda, used by the Imperial Japanese Army Air Service.