| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ATI | Average Total Inspection | In English | |
| ATi | Astronomisk Tidsskrift | In Norwegian | → Serial publications, periodicals → Astronomy |
| ATI | Affectation Temporaire Indemnisée | In French | → Labour, labour economics |
| ATI | Aide Tourangelle à l'Innovation | In French | → Regional administration → Engineering, technology → Research policy |