| Acronym | Definition |
|---|
| ODA | Official Development Assistance |
| ODA | Oregon Department of Agriculture |
| ODA | Olympic Delivery Authority (London, England) |
| ODA | Optical Disc Archive (Sony) |
| ODA | Oracle Database Appliance (software) |
| ODA | Ohio Department of Agriculture |
| ODA | Overseas Development Assistance (Philippines) |
| ODA | Organismo di Accreditamento (Italian: Accreditation Body) |
| ODA | Office Document Architecture |
| ODA | Operational Detachment Alpha (Special Forces A Team) |
| ODA | Out-of-Door Academy (Sarasota, FL, USA) |
| ODA | Open Design Alliance (est. 1998; engineering) |
| ODA | Oklahoma Department of Agriculture |
| ODA | Overseas Development Administration (United Kingdom) |
| ODA | Optical Dynamic Amplifier |
| ODA | Object Database Adapter |
| ODA | on Demand Access |
| ODA | on Demand Agent |
| ODA | Ontarians with Disabilities Act |
| ODA | Official Development Aid |
| ODA | Open Document Architecture |
| ODA | Ohio Dental Association |
| ODA | Overseas Development Agency |
| ODA | Orphan Drug Act |
| ODA | Oki Data Americas, Inc. (various locations) |
| ODA | Oklahoma Dental Association |
| ODA | Octadecylamine |
| ODA | Outer Dynein Arm |
| ODA | Operating Department Assistant (UK) |
| ODA | Okie Dokie Artichokie |
| ODA | Office of Disaster Assistance (US Small Business Administration) |
| ODA | Outdoor Display Area (zoning; various locations) |
| ODA | Open Data Application |
| ODA | Olympic Delivery Agency (UK) |
| ODA | Object Discovery Agent |
| ODA | Office of Disability Accommodations |
| ODA | Obcanska Demokraticka Aliance (Civic Democratic Alliance; Czech Republic) |
| ODA | Office of the Deputy Administrator |
| ODA | Officer Development Academy (King County Fire Training Officers Association; Washington) |
| ODA | Once Daily Aminoglycoside |
| ODA | Organizational Designation Authorization |
| ODA | Other Defense Agency |
| ODA | Online Data Access |
| ODA | Ohio Dermatological Association |
| ODA | Ocean Data Analysis |
| ODA | Oxygen-Deficient Atmosphere (air quality status) |
| ODA | Output Data Acknowledge |
| ODA | Organization for Deomcratic Action |
| ODA | Occupational Driver Appraisals (UK) |
| ODA | Outdoor Air Damper |
| ODA | Original Document Analysis |
| ODA | Optimized Dipole Antenna |
| ODA | Own-ship Display Assistant |
| ODA | Orinda Fire Station (California) |