- AADR stands for American Association for Dental Research
- AADR stands for Acute Adverse Drug Reaction (1983-1992 mortality analysis; Barcelona, Spain)
- AADR stands for All American Dog Registry (Winnabow, NC)
- AADR stands for Age-Adjusted Death Rate
- AADR stands for Arizona Advance Directive Registry
- AADR stands for Advanced Application Disaster Recovery (software)
- AADR stands for Alaskan Air Defense Region
AADR