FYS
| Acronym | Definition |
|---|---|
| FYS | First Year Seminars |
| FYS | Four Year Strong (Worcester, MA band) |
| FYS | Four Year Strong (band) |
| FYS | Foster Youth Services |
| FYS | First Year Student |
| FYS | Freshman Year Seminar |
| FYS | Fellowships for Young Scientists |
| FYS | Feed Your Spirit |
| FYS | For Your Safety |
| FYS | Forget Your Sanity (gaming guild) |
| FYS | First-Year Services |
| FYS | Frozen Yellow Spot (band) |
| FYS | Forum for Young Scientists |
| FYS | Full-Year Saving |
| FYS | FromYourSky (band) |