Luoyang or Loyang is a prefecture-level city in Henan Province, China.

Luoyang or Loyang may also refer to:

• Loyang, Singapore, an area of Singapore
• Luoyang, Boluo County, Guangdong, China
• Luoyang River, a river in Fujian, China
• Luoyang Bridge (Quanzhou), a famed bridge across the Luoyang River in Quanzhou
• The Old City of Luoyang, historical Luoyang city under Wei and Han dynasties

Entertainment

• Luoyang, a 2021 Chinese television series

Other uses

• ROCS Lo Yang, the name of multiple destroyers of the Republic of China Navy:
  • ROCS Lo Yang (DD-14) (Benson class), previously USS Benson
  • ROCS Lo Yang (DD-14) (Allen M. Sumner class), previously USS Taussig