HOA stands for:

  • To prevent hot box detector, mounted in the track area infrared sensors that measure the temperature of the wheelset passing rail vehicles whose warmth
  • Hola Kenya (IATA )
  • Hola Airlines, Spanish airline ( ICAO code )
  • Homeowners association
  • Hypertrophic osteoarthropathy, a rare, often to be seen as a paraneoplastic syndrome disorder characterized by clubbing of fingers and pain in the long bones
  • High Order Ambisonics, a method for recording and reproducing a sound field

Hoa stands for:

  • Hoa ( people ), a people in Vietnam
  • Hoa ( Tidenkanal ), the Tidenkanal between two reef of an atoll
  • Hoa ( Festival), Headbangers Open Air ( The largest garden party in northern Germany )
  • Hoa ( island ), one of Indonesia's Kei Islands

Hoa is a surname, and may refer to:

  • Augustine Nguyen Hoa (1908-1989), Chinese Catholic priest
  • Disambiguation
  • Abbreviation