ODAA Views 6 meanings found ODAA may refer to an adoption service, a university diversity office, professional dental‑assistant associations in the U.S. and Canada, or a collaborative open‑dictionary initiative. Medical Ontario Dental Assistants Association Community Open Door Adoption Agency Oregon Dental Assistants Association Academic & Science Office of Diversity and Affirmative Action Regional Aden Khormaksar International, Yemen Computing Open Dictionary API Alliance