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