| Acronym | Definition |
|---|
| JSEA | Jesuit Secondary Education Association |
| JSEA | Journal of Software Engineering and Applications (Scientific Research Publishing) |
| JSEA | Japan Ship Exporters' Association |
| JSEA | Japan Space Elevator Association (Japan) |
| JSEA | Hong Kong Joint School Economics Association |
| JSEA | Jurukur Saharuddin El-Asas (Malaysian surveyors) |
| JSEA | Job Safety Environmental Analysis |
| JSEA | Job Safety and Environmental Impact Analysis |
| JSEA | J.S. Eliezer Associates (Stanford, CT) |
| JSEA | Junior Space Exploration Academy (Oakland, CA) |