- YFS stands for York Federation of Students (Canada)
- YFS stands for Yards from Scrimmage (American football statistic)
- YFS stands for Youth-Friendly Service (UNICEF)
- YFS stands for Yellow Freight System
- YFS stands for Young Free and Single
- YFS stands for Fort Simpson, Northwest Territories, Canada – Fort Simpson Airport (Airport Code)
- YFS stands for Youth Football Scotland (UK)
- YFS stands for Your Faithful Servant
- YFS stands for Yearly Flu Shot (medical prevention)
YFS