- AHGA stands for American Homeowners Grassroots Alliance
- AHGA stands for American Hosta Growers Association
- AHGA stands for Australian Hydroponic and Greenhouse Association
- AHGA stands for Arizona Hang Glider Association
- AHGA stands for Art History Graduate Association
- AHGA stands for Australian Hop Growers Association
- AHGA stands for Almost Heaven Greyhound Adoption, Inc. (West Virginia)
- AHGA stands for Asynchronous Hybrid Genetic Algorithm
- AHGA stands for American Hallmark General Agency, Inc.
- AHGA stands for Australian House and Garden Annual
- AHGA stands for Apple Hill Growers Association
- AHGA stands for Autoshift High Gear Actuator
- AHGA stands for Any Help Greatly Appreciated
AHGA