| Acronym | Definition |
|---|
| SYL | Sutlej Yamuna Link (Indian canal) |
| SYL | Strapping Young Lad (band) |
| SYL | System Language |
| SYL | Suomen Ylioppilaskuntien Liitto (National Union of University Students in Finland) |
| SYL | Somali Youth League (1940s & 50s freedom movement) |
| SYL | South Yosemite League (Bakersfield, CA) |
| SYL | See You Later |
| SYL | SearchYourLove (online dating service) |
| SYL | Speak Your Language (LDS Missions) |
| SYL | Single Yellow Line (UK roadways) |
| SYL | Southern Youth League (UK) |
| SYL | Smell Ya Later (Simpsons) |
| SYL | Security Yard Light |
| SYL | Super Yacht Logistics (various locations) |
| SYL | Scottish Youth Lobby |