AdTI
| Acronym | Definition |
|---|---|
| AdTI | Alexis de Tocqueville Institute |
| AdTI | Acid Drainage Technology Initiative (est. 1995; West Virginia University) |
| AdTI | Advance Display Technologies, Inc. |
| AdTI | American Data Technology, Inc. (Research Triangle Park, NC) |
| AdTI | Assisted Dying for the Terminally Ill (bill) |
| AdTI | Akademia Doskonalenia Technik Informatycznych (Polish: Computer Science Training Academy; EU) |