FYB
| Acronym | Definition |
|---|---|
| FYB | For Your Business (France) |
| FYB | Fill Your Boots (rugby) |
| FYB | For Your Benefit |
| FYB | Fuzzy Yellow Balls (online tennis resource) |
| FYB | Follow Your Bliss (networking forum) |
| FYB | For Your Baby |
| FYB | For You Blue (Beatles song) |
| FYB | Financial Year Budget |
| FYB | First Year Board (university organization; various locations) |
| FYB | Forget You Buddy (polite form; military slang) |