| Acronym | Definition |
|---|
| OLSP➣Optical Label Switched Path |
| OLSP➣Other Local Service Provider (telecommunications) |
| OLSP➣On-Line Service Provider |
| OLSP➣Operational Logistics Support Partnership (US NATO) |
| OLSP➣Old Spanish National Historic Trail (US National Park Service) |
| OLSP➣Operational Logistics Support Plan |
| OLSP➣Optical Label-Switched Path |
| OLSP➣Organizational Leadership and Supervision (study course; Indiana University-Purdue University at Fort Wayne) |