Lao
Lao may refer to:
Laos
- Something of, from, or related to Laos, a country in Southeast Asia
 - Lao people (people from Laos, or of Lao descent)
 - The Lao language
 - Lao Rongzhi (born 1974), Chinese female serial killer
 - Lao script, the writing system used to write the Lao language
- Lao (Unicode block), a block of Lao characters in Unicode
 
 - LAO, the international vehicle registration code for Laos
 
Other places
- Mount Lao (崂山), Qingdao, China
 - Lao River, Italy, a river of southern Italy
 - Lao River, Thailand, a tributary of the Kok River in Thailand
 - Lao, Bhutan, a settlement in Trashiyangtse District, eastern Bhutan
 - Lao, Estonia, village in Tõstamaa Parish, Pärnu County
 - Lao, Togo
 - LAO, IATA code of Laoag International Airport in the Philippines
 
Philosophers
- Laozi or Lao-Tzu, philosopher and poet of ancient China.
 
Other
- Alternative spelling of Liu, common Chinese surname
 - California Legislative Analyst's Office
 - Lands Administration Office
 - Legal Aid Ontario
 - Legislative Affairs Office
 - Linear alpha olefin
 - The material lanthanum aluminate, or LaAlO3