Hiran Nakhon Ngoenyang (Northern Thai: ᩉᩥᩁᩢᨬ᩠ᨬᨶᨣᩬᩁᨦᩮᩥ᩠ᨶᨿᩣ᩠ᨦᨩ᩠ᨿᨦᩈᩯ᩠ᨶ; Thai: หิรัญนครเงินยาง), also known as Chayaworanakhon Chiang Lao, Hiranyanakhon Ngoenyang Chiang Saen, Nakhon Yangkapura, or Thasai Ngoenyang was an early mueang or kingdom of the Northern Thai people from the 7th through 13th centuries AD and was originally centered on Hiran, formerly Wiang Prueksa, in modern-day Thailand near today's Mae Sai district in Chiang Rai, and later on Ngoenyang or Chiang Saen. King Mangrai, the 25th king of Ngoenyang, went on to found Lanna.
In contrast to most contemporary Tai states, Ngoenyang was mentioned in local chronicles, which provide some information about its history.