| Abbreviation | Definition |
|---|---|
| AFIRM | Armed Forces Institute of Regenerative Medicine |
| AFPGMI | Armed Forces Post Graduate Medical Institute |
| AFPI | Advanced Fertility Preservation Institute |
| AFPI | Armed Forces Preparatory Institute |
| AGAI | American Gastroenterological Association Institute |
| AGAI | Antano Gustai io aviacijos institute |
| AGAI | Antano Gustai??io aviacijos institute |
| AGAI | Antano Gustaicio aviacijos institute |
| AGDI | African Governance and Development Institute |
| AGERI | Agricultural Genetic Engineering Research Institute |
| AGI | Accredited Gemological Institute |
| AGI | Accredited Gemologist Institution |
| AGI | Allan Guttmacher Institute |
| AGI | American Geosciences Institute |
| AGI | American Graphics Institute |
| AGI | American Gunsmithing Institute |
| AGI | Arizona Genomics Institute |
| AGIF | American Geosciences Institute Foundation |
| AGIG | Aging and Geropsychology Institute of Georgia |
| AGMI | Armenian Genocide Museum and Institute |