| Abbreviation | Definition |
|---|---|
| SYL | Somali Youth Le |
| SYL | Somali Youth League |
| SYLA | Scarsdale Youth Lacrosse Association |
| SYLA | Summer Youth Leadership Academy |
| SYLI | Sikh Youth Leadership Institute |
| SYLI | Somali Youth Learners Initiative |
| SYLI | Summer Youth Leadership Institute |
| SYLS | Sinda Youth Leaders Seminar |
| SYLS | Street Youth Legal Services |
| SYME | School of Youth Ministries in English |
| SYMS | Shared Youth Ministry Series |
| SYMS | Summer Youth Music School |
| SYO | Saskatoon Youth Orchestra |
| SYO | Schaumburg Youth Orchestra |
| SYO | Sindh Youth Organization |
| SYO | Southside Youth Outreach |
| SYO | Stockport Youth Orchestra |
| SYO | Superior Youth Organization |
| SYO | Sutter Youth Organization |
| SYO | Sydney Youth Orchestras |