OBSL
| Acronym | Definition |
|---|---|
| OBSL | Old Bridge Soccer League (Old Bridge, NJ) |
| OBSL | Olney-Bethesda Soccer League (Maryland) |
| OBSL | Outward Bound-Sri Lanka |
| OBSL | Online Backup Solutions Limited (UK) |
| OBSL | Ohio Buckeye Speedskating League (Washington Courthouse, OH) |
| OBSL | Orridge Business Sales Limited (UK) |