HOA

HOA or Hoa may refer to:

Arts

 * Hardwell On Air, a Dutch radio programme
 * House of Anubis, a television drama series
 * Hands of Asclepius, a fictional organization in the video game Trauma Center: Under the Knife 2

Languages

 * ǂHõã language (ISO 639: huc), a Khoisan language of Botswana
 * Hoava language (ISO 639: hoa), an Oceanic language of the Solomon Islands

Law and government

 * Heads of agreement (law)
 * Homeowner association, a private association-like entity
 * House of Assembly, the name of several current and former national and sub-national legislatures

Science and technology

 * Higher-order Ambisonics, a full-sphere surround sound Ambisonics technique
 * Hypertrophic osteopathy, a bone disease secondary to cancer in the lungs

Other uses

 * Hoa people, an Overseas Chinese minority group residing in Vietnam
 * Horn of Africa (HoA), a peninsula in East Africa
 * hoa, a title for Muisca rulers