| CELS | Center for Environmental and Life Sciences 
| Others |
| CELS | Center for Ethics Law and Society
| Others |
| CELS | Center for Legal and Social studies
| Others |
| CELS | Centre for Effective Learning in Science
| Others |
| CELS | Centre for European Legal Studies
| Others |
| CELS | Centro de Estudios Legales y Sociales
| Others |
| CELS | Clare English Language School
| Others |
| CELS | Coalition for Education in the Life Sciences
| Others |
| CELS | College of the Environment and Life Sciences
| Others |
| CELS | Community Engagement and Leadership in Science
| Others |
| CELS | Computing Environment and Life Sciences
| Others |
| CELS | Conference on Empirical Legal Studies
| Others |