AGG
- AGG (programming language)
- Abnormal grain growth
- Aesthetic group gymnastics
- Alfred John Agg
- Angor language
- Angoram Airport
- Anti-Grain Geometry
- Antonio Gandy-Golden
- Arctic Gateway Group
- Arginine
- Art Gallery of Guelph
- Attorney General of Georgia
- Attorney General of Ghana
- Attorney General of Gibraltar
- Attorney General of Grenada
- Attorney General of Guam
- Attorney General of Guatemala
- Attorney General of Guyana
- Attorney General of the Gambia
- Auditor-General of Ghana
- Lily Agg
- Species aggregate
- Tirofiban