Y3 can refer to:

  • Vektor Y3 AGL, a South African-manufactured Automatic Grenade Launcher
  • Y-3 (fashion brand), Yohji Yamamoto's fashion line with Adidas
  • LNER Class Y3, a class of 0-4-0 geared steam locomotives built by Sentinel Waggon Works
  • SJ Y3, a series of diesel railcars operated by Statens Järnvägar of Sweden
  • Boeing Yellowstone 3, a Boeing Commercial Airplanes project to replace the 777-300 and 747 product line with advanced technology aircraft

See also

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