YJA
| Acronym | Definition |
|---|---|
| YJA | Yanamuna Jiye Abhiyan (Indian environmental organization) |
| YJA | Young Jains of America |
| YJA | Jasper, Alberta, Canada (Airport Code) |
| YJA | Youth Justice Agency (UK) |
| YJA | Yamanashi Jewelry Association (Japan) |
| YJA | Youth Justice Association (Columbia Law School; Columbia University; New York, NY) |