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