| Acronym | Definition |
|---|
| FYI | For Your Information |
| FYI | For Your Improvement |
| FYI | For Your Interest |
| FYI | Follow Your Instincts |
| FYI | For Your Inconvenience |
| FYI | Feed Your Imagination |
| FYI | First-Year Ice |
| FYI | For Youth Initiative (Toronto, Ontario, Canada) |
| FYI | Found Your Insulin |
| FYI | First Year Inventory (autism questionnarie) |
| FYI | Fiscal Year Information |
| FYI | For Young Investors (bank account) |
| FYI | For Your Inspection |
| FYI | Focus on Youth Issues (various locations) |
| FYI | Four Year Integrated (various schools) |
| FYI | Fresno Yosemite International, Fresno, CA (airport code) |
| FYI | For Your Intonation (music) |
| FYI | Forget You Idiot (polite form) |
| FYI | For You Indirectly |