| Acronym | Sense | Language | Topics |
|---|---|---|---|
| ADR | Aerospace and Defense Research | In English | → 358 → Military engineering → Aeronautics, aircraft → Vehicle engineering |
| AdR | Ausschuß der Regionen der Europäischen Union | In German | → Organizations and associations → Regional administration |
| ADR | Adverse Drug Reaction | In English | → Pharmacology, toxicology |
| ADR | Alternativ Demokratesch Reformpartei | In Letzeburgesh | → Political parties and movements |
| ADR | American Depositary Receipts | In English | → Finance → United States |
| ADR | Automatic Dialogue Replacement | In English | → Computer-based techniques → Cinema, movies |
| ADR | Alternative Dispute Resolution | In English | → Law, jurisprudence |