| Acronym | Definition |
|---|
| YSL➣Yves Saint Laurent |
| YSL➣Youth Soccer League (various locations) |
| YSL➣Yolk Syncytial Layer |
| YSL➣Youth Ski League |
| YSL➣Yugoslavian Sign Language (SIL code) |
| YSL➣St Leonard, New Brunswick, Canada - St Leonard Apt (Airport Code) |
| YSL➣Yarrow Shipbuilders Ltd. (UK) |
| YSL➣Young Successful Living |
| YSL➣Your Second Life |
| YSL➣Youth Service Learning |
| YSL➣Yavapai Soccer League (Prescott Valley, AZ) |
| YSL➣Yamashita-Shinnihon Steamship Co., Ltd (Japan) |
| YSL➣Yale Student Loan |
| YSL➣Yale Student Loans |
| YSL➣Youth Service Leadership |
| YSL➣Yolo Shortline Railroad |
| YSL➣Youth Service League |
| YSL➣Yayasan Simeuleu Lestari |
| YSL➣Yap State Law (Micronesia) |
| YSL➣Yautja Shadow Legions (gaming) |
| YSL➣Yellowstripe-Like |
| YSL➣Yale Student Laundry |
| YSL➣Youth Swim Lessons (YMCA swim instructor course) |
| YSL➣Yuba Sutter Life (California) |
| YSL➣Youth Servant Leader |
| YSL➣YMCA Swim League |
| YSL➣Yorke Structures Ltd |
| YSL➣Yayasan Sahabat Lingkungan (Jakarta, Indonesia) |
| YSL➣Your School and the Law |
| YSL➣Young Scout Leader |
| YSL➣Your Sweden Luxury (clothing brand) |