| JECS | Japan Electrical Control Systems 
| Others |
| JECS | Japan Environment and Children's Study
| Others |
| JECS | Journal for Eighteenth Century Studies
| Others |
| JECS | Journal of Early Christian Studies
| Others |
| JECS | Journal of Eastern Caribbean Studies
| Others |
| JECS | Journal of Education and Culture Studies
| Others |
| JECS | Journal of Education Culture and Society
| Others |
| JECS | Journal of Electronic Circuits and Systems
| Others |
| JECS | Journal of Engineering and Computer Science
| Others |
| JECS | Journal of the European Ceramic Society
| Others |