- AADO stands for Asian Association for Dynamic Osteosynthesis (est. 1992)
- AADO stands for American Association of Dispensing Ophthalmologists (est. 2000)
- AADO stands for All-Ages Dance Ordinance (Seattle, WA)
- AADO stands for Angular (momentum conservation) Average Dipole Orientation theory
- AADO stands for Association of Academic Departments of Otolaryngology (various locations)
Abbreviations And Their Meaning