| Acronym | Sense | Language | Topics |
|---|---|---|---|
| JO | Jeux Olympiques | In French | → Sport, physical exercises |
| JO | Journal des Observateurs | In French | → Serial publications, periodicals → Astronomy |
| JO | Journal Officiel | In French | → Serial publications, periodicals |
| JO | Journal of Oceanography | In English | → Serial publications, periodicals → Marine research, oceanography |