ISTAT
| Acronym | Definition |
|---|---|
| ISTAT | Istituto Centrale di Statistica (Italian: Italian National Statistics Institute) |
| ISTAT | International Society of Transport Aircraft Trading |
| ISTAT | Integrating Science Teaching and Technology (University of California, Berkeley) |
| ISTAT | Independent Supporters Trust of Athlone Town (Footboll Club, Ireland) |