JJS
| Acronym | Definition |
|---|---|
| JJS | Juvenile Justice System |
| JJS | Journal of Jewish Studies (Oxford Centre for Hebrew and Jewish Studies; UK) |
| JJS | Journal of Japanese Studies |
| JJS | Jaipur Jewellery Show (trade show; Rajasthan, India) |
| JJS | Jack & Jill School |
| JJS | Juvenile Justice Service (various locations) |