Taian

Taian may refer to:

Japan

• Tai-an (待庵), a tea room at Myokian temple, Japan, famous for its connection with Sen Rikyu
• Taian, a day of Rokuyō in the Japanese calendar

Mainland China

• Tai'an (泰安市), prefecture-level city of Shandong
  • Tai'an Railway Station (Shandong) (泰安站), future station on the Beijing–Shanghai High-Speed Railway
• Tai'an County, Liaoning (台安县), of Anshan, Liaoning
  • Tai'an Railway Station (Liaoning) (台安站), station on the Qinhuangdao–Shenyang Railway

Taiwan

• Tai-an, Miaoli, township in eastern Miaoli County
• Tai-an Station, railway station in Taichung County