HGA
HGA is an abbreviation for:
- Hargeysa Airport (English: Hargeisa International Airport ), the international airport of Hargeisa, capital of the internationally unrecognized Somaliland according to the IATA airport code
- Hennigsdorfer Generalanzeiger , local newspaper in Brandenburg
- High Gain Antenna , construction type of directional antennas, often used in space probes
- Hotel and Hospitality Assistant , a tourism occupation
- Human granulocytic anaplasmosis , infectious disease
- Mortgage profit levy , equalization levy in the Federal Republic of Germany after World War II