| Acronym | Definition |
|---|
| OBRA➣Omnibus Budget Reconciliation Act (various years) |
| OBRA➣Oregon Bicycle Racing Association |
| OBRA➣Oakland Base Reuse Authority (Oakland, CA) |
| OBRA➣Organization of Bilingual Rehabilitation Associates |
| OBRA➣Online Business for Regional Australia (resource) |
| OBRA➣Ontario Barrel Racing Association |
| OBRA➣Outer Banks Repeater Association (Nags Head, NC) |
| OBRA➣Oregon Biomedical Research Association (Beaverton, OR) |
| OBRA➣Okinawa Bull Riding Association |
| OBRA➣Outward Bound Residential Alternatives |
| OBRA➣Office of Biodefense Research Affairs (Division of Microbiology and Infectious Diseases; US National Institute of Allergy and Infectious Diseases) |
| OBRA➣Outback Barrel Racing Association (Montana) |
| OBRA➣Oregon Barrel Racing Association |
| OBRA➣Oil Burner Research Association |
| OBRA➣Oklahoma Boat Racing Association (Tulsa, OK) |
| OBRA➣Office of Biodefense Research Applications (National Institutes of Health) |