Y12

Y12 may refer to:

• Edogawabashi Station, in Bunkyō, Tokyo, Japan
• Higobashi Station, in Nishi-ku, Osaka, Japan
• Tadotsu Station, in Kagawa, Japan
• Yoshiura Station, in Kure, Hiroshima, Japan
• Zhonghe metro station, in Taipei, Taiwan

• Harbin Y-12, a Chinese aircraft
• Y-12 National Security Complex, an American nuclear weapon facility
  • Y-12 Project, a uranium enrichment project