OBBL
| Acronym | Definition |
|---|---|
| OBBL | Old Boys Blütenstadt Leichlingen e.V. (German football club) |
| OBBL | Orthopaedic Biomechanics and Biomaterials Laboratory (now Harris Orthopaedic Biomechanics and Biomaterials Laboratory; Boston, MA) |
| OBBL | Okeechobee Blvd. Branch Library (West Palm Beach, FL) |