YA
| Acronym | Definition |
|---|---|
| YA | Years Ago (homo-sapiens evolution) |
| YA | Young Adult |
| YA | Yet Another |
| YA | Year Ago (financial statements) |
| YA | Young Americans (Drum and Bugle Corps) |
| YA | Youth Aids |
| YA | Youth Assembly |
| YA | Yläaste (Finnish: school) |
| YA | Yield Analysis |
| YA | Yellow Armor (gaming) |
| YA | Yelberton Abraham Tittle (football quarterback) |
| YA | Yellow Armour (Quake) |
| YA | District Lighter, Ash (US Navy) |
| YA | Yleiset Aineet (Finnish, music term) |
| YA | Yellen & Associates (Northridge, CA) |