Hao

Hao or HAO may refer to:

People

 * Hao (surname) (Chinese: 郝)
 * Hao (given name)
 * Hao (video gamer), Chinese professional Dota 2 player
 * Heather O'Reilly, Professional soccer player

Places

 * Hao (city), or Haojing (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 (濠州), of imperial China
 * Hao River, in Thailand
 * Butler County Regional Airport IATA code

Other uses

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