JASO
| Acronym | Definition |
|---|---|
| JASO | July August September October (months) |
| JASO | Japanese Automobile Standards Organization |
| JASO | Journal of the Anthropological Society of Oxford (est. 1970; Oxford, UK) |
| JASO | Japan-America Society of Oregon (est. 1907) |
| JASO | Japan America Societies |