| ODAA | Aden Khormaksar International, Yemen 
| Others |
| ODAA | of the Designated Approving Authority
| Others |
| ODAA | Office of Designated Approving Authority
| Others |
| ODAA | Office of Development and Alumni Affairs
| Others |
| ODAA | Office of Diversity and Affirmative Action
| Others |
| ODAA | Oklahoma District Attorneys' Association
| Others |
| ODAA | Ontario Dental Assistants Association
| Others |
| ODAA | Open Dictionary API Alliance
| Others |
| ODAA | Open Door Adoption Agency
| Others |
| ODAA | Oregon Dental Assistants Association
| Others |
| ODAA | Oregon District Attorney's Association
| Others |
| ODAA | Oregon District Attorneys Association
| Others |