HGA
HGA stands for:
- Hargeysa airport in Somalia ( IATA code )
- Hennigsdorfer General Anzeiger, local newspaper in Brandenburg
- High Gain Antenna, building type of directional antennas, often used in space probes
- Hotel and Hospitality Assistant, a tourism professional
- Human granulocytic anaplasmosis, infectious disease
- Disambiguation
- Abbreviation