The Lao Wiang (Thai: ลาวเวียง, pronounced [lāːw wīaŋ]), sometimes also referred to as Lao Wieng, are a Tai sub-ethnic group of the Isan region. Approximately 50,000 self-identified Lao Wiang live in villages throughout Thailand, especially in the provinces of Prachinburi, Udon Thani, Nakhon Pathom, Chai Nat, Lopburi, Saraburi, Nakhon Nayok, Suphan Buri, Ratchaburi, Phetchaburi, and Roi Et with a significant number residing in Bangkok.