INAA
| Acronym | Definition |
|---|---|
| INAA | Instrumental Neutron Activation Analysis |
| INAA | Intelligent Network Access Arrangement |
| INAA | I Need an Appointment (online booking portal; UK) |
| INAA | Islamic National Accord Association |
| INAA | International Network of Accountants and Auditors (est. 1992; Edinburgh, Scotland, UK) |
| INAA | Induced Neutron Activation Analysis (physics) |
| INAA | Immigration and Nationality Act Amendments of 1986 (US Citizenship and Immigration Services) |
| INAA | Integrated Network Access Arrangement |