| Term | Full Form | Category |
|---|---|---|
| JAO | Beaver Run Airport, Atlanta, Georgia | Others |
| JAO | Jacob Aall Ottesen | Others |
| JAO | Jadis Auto Orleanais | Others |
| JAO | Japanese American Optimist | Others |
| JAO | Jedi Academy Online | Others |
| JAO | Jersey All Out | Others |
| JAO | Jewish Autonomous Oblast | Others |
| JAO | Jews Against the Occupation | Others |
| JAO | Joint Air Operations | Others |
| JAO | Joint ALMA Office | Others |
| JAO | Joint Area of Operations | Others |
| JAO | Junior Accountant Officer | Others |
| JAO | Just Another Observer | Others |