hao

Hao or HAO may refer to:

People

Hao (city), or Haojing ({{lang|zh|鎬京}}), capital of the Western Zhou, near present-day Xi'an
Xi'an, China, derived from the ancient city
Hao (French Polynesia), an atoll
Hao Airport
Hao Prefecture ({{lang|zh|濠州}}), of imperial China
Hao River, in Thailand
Butler County Regional Airport IATA code

Art name (Chinese: {{lang|zh|號}}, hào)
Hakö language, spoken in Papua New Guinea
hào, a disused monetary subunit of the Vietnamese đồng
{{nihongo|Hao Asakura|麻倉葉王 (ハオ)|Asakura Hao}}, a fictional character and the main antagonist in the manga and anime Shaman King
High Altitude Observatory
High Armanen Order
Rauvolfia sandwicensis (Hawaiian: {{lang|haw|hao}}), a flowering plant
Hydroxylamine oxidoreductase, an enzyme involved in the nitrogen cycle