Luang may refer to:
- A Thai royal and noble title awarded before the 1932 coup ended the absolute monarchy
- Luang, an island in the southwestern part of the Maluku Province, Indonesia
- Luang, a language that is spoken on the islands Luang, Wetang, Moa and Lakor. Also known as Letri Lgona.
- Luang Prabang, a city and former royal capital located in north central Laos