- AAGS stands for Army Air Ground System (US DoD)
- AAGS stands for Association of American Geographers
- AAGS stands for American Association for Geodetic Surveying
- AAGS stands for Associate of Arts in General Studies (degree program)
- AAGS stands for African-American Genealogy Society
- AAGS stands for American Association of Genitourinary Surgeons (Ann Arbor, MI; academic urologist association)
- AAGS stands for Avian Aviation Group Supervisor (US Coast Guard)
AAGS