| Acronym | Definition |
|---|
| JA➣Japan |
| JA➣Junior Achievement |
| JA➣Jamaica |
| JA➣Japanese American |
| JA➣Jewelers of America |
| JA➣Jane's Addiction (band) |
| JA➣Jennifer Aniston (actress) |
| JA➣Jagged Alliance (computer game) |
| JA➣Jefferson Airplane (band) |
| JA➣Jackass |
| JA➣Jane Austen |
| JA➣Juvenile Arthritis |
| JA➣Johnny Appleseed |
| JA➣Jedi Academy (Star Wars) |
| JA➣Judge Advocate |
| JA➣Junior Auxiliary (various locations) |
| JA➣Johnston Atoll (virus) |
| JA➣John Alexander (Australian tennis champion) |
| JA➣Jasmonic Acid (plant growth regulator) |
| JA➣Jewish Agency |
| JA➣Judicial Assistant (various locations) |
| JA➣Job Analysis |
| JA➣Joint Appendix (US courts) |
| JA➣Just Asking |
| JA➣Air Bosna (airline code) |
| JA➣Justice Administration (education degree/major) |
| JA➣Jesus Army |
| JA➣Jack Adapter |
| JA➣Journal Asiatique |
| JA➣Jump If Above |
| JA➣Jump Address |
| JA➣Justicia Ambiental |
| JA➣Job Alliance |
| JA➣Joint Affairs |
| JA➣Jetevator Assembly |
| JA➣Justified Arsons (gaming clan) |