English abbreviations from aga to age
- AGA (AB Gas-accumulator ("ah-gah", Swedish company))
- AGACS (Automatic ground–air communications system, is also known as ATCSS or data link)
- AGAPE ((observing program) Andromeda Galaxy and Amplified Pixels Experiment, a search for microlenses in front of the Andromeda Galaxy)
- AGAR (Army Abbreviated Ground Accident Report)
- AGARD (Advisory Group for Aerospace Research and Development)
- AGARDograph (Advanced Guidance for Alliance Research and Development publication)
- AGASA (Akeno Giant Air Shower Array (cosmic ray detector))
- AGB (Internal Nintendo initialism (Advanced Game Boy) for Game Boy Advance)
- AGBG (Animal Genetics and Biotechnology Group)
- AGC (Automatic gain control)
- AGCC (African Gold Coast Company)
- AGCCS (Army Global Command and Control System)
- agcy. (Agen)
- AGD (Academy of General Dentistry)
- AGDC (Australian Game Developers' Conference)
- AGDL (Air-Ground Data Link)
- AGE (Wangerooge Airport)
