JAA stands for:

  • Jalalabad, as an IATA code of the airport of the Afghan city
  • Japan Aikido Association, a Japanese Martial Arts Association
  • Japan Architects Association, a former Japanese professional association
  • Japan Asia Airways, a Japanese airline by the ICAO code
  • Japanese Academy Award, a Film Award of the Japanese film industry
  • Joint Aviation Authorities, a former merger of the civil aviation authorities from 34 European countries
  • Youth detention center, a special institution of youth enforcement

Jaa is the surname of the following persons:

  • Tony Jaa (born 1976 ), a Thai actor and stuntman
  • Disambiguation
  • Abbreviation