| Abbreviation | Definition |
|---|---|
| OYL | Ohio Youth soccer League |
| OYSA | Ohio Youth Soccer Association |
| OYSA | Olympic Youth Soccer Association |
| OYSA | Oregon Youth Soccer Association |
| OYSA | Oxford Youth Soccer Association |
| PAOK | Panthessaloníkios Athlitikós Ómilos Konstantinoupolitón. Greek football club. |
| PASA | Pickerington Area Soccer Association |
| PASL | Premier Arena Soccer League |
| PASL | Professional Arena Soccer League |
| PASO | Prosper Area Soccer Organization |
| PBST | Pro Beach Soccer Tour |
| PCSC | Pacific Coast Soccer Club |
| PCSC | Park City Soccer Club |
| PCSL | Pacific Coast Soccer League |
| PCSL | Prairie Cities Soccer League |
| PES | Pro Evolution Soccer |
| PES | Professional Evolution Soccer |
| PESM | Pro Evolution Soccer Management |
| PESS | Pro Evolution Sweg Soccer |
| PGSC | Piney Green Soccer Club |