| Acronym | Definition |
|---|
| YSS➣Youth Support Services (various locations) |
| YSS➣Youth Services Section (New York Police Department; New York, NY) |
| YSS➣You Suck Severely |
| YSS➣Youth and Shelter Services, Inc (Ames, IA) |
| YSS➣You're So Slow |
| YSS➣Yanic Simard Selected (Toronto Interior Design Group; Toronto, Canada) |
| YSS➣You're So Sweet |
| YSS➣You're So Smart |
| YSS➣Young Spectroscopist Symposium (South Africa) |
| YSS➣Yemeni Student Society |
| YSS➣Yaw Sun Sensor |