AMBI
| Acronym | Definition |
|---|---|
| AMBI | American Bittern (birds) |
| AMBI | Alden March Bioethics Institute (est. 2005; Albany, NY) |
| AMBI | Alliance of Multicultural Bisexuals (Washington, DC) |
| AMBI | A Marine Biotic Index |
| AMBI | Advanced Methods for Building Diagnostics and Maintenance (EU project) |
| AMBI | Association of Merchant Bankers of India (Securities Exchange Board of India) |
| AMBI | Acute Multiple Brain Infarction |
| AMBI | Associação Médica Brasileira Iridologia |