| Acronym | Sense | Language | Topics |
|---|---|---|---|
| AAT | Animal-Assisted-Therapy Team(s) | In English | → Medicine |
| AAT | Art and Architecture Thesaurus | In English | → Arts → Architecture → Linguistics |
| AAT | Apple Advanced Typography | In English | → Writing systems → Computer science |
| AAT | Application Assembly Tool | In English | → Software |
| AAT | Armored Assault Tank | In English | → Military engineering → Vehicle engineering |
| AAT | Attestation d'Achèvement des Travaux | In French | → Applied sciences, technology |