| Abbreviation | Definition |
|---|---|
| CING | Cyprus Institute of Neurology and Genetics |
| CINI | Child In Need Institute |
| CINI | Children in Need Institute |
| CINJ | Cancer Institute of New Jersey |
| CINP | Canadian Institute of Nuclear Physics |
| CINS | Canadian Institute for Neutron Scattering |
| CIOA | Cotsen Institute Of Archaeology |
| CIOB | Ceylon Institute of Builders |
| CIOB | Chartered Institute Of Building |
| CIOO | Chicago Institute of Orthopedics |
| CIOSS | Cooperative Institute for Oceanographic Satellite Studies |
| CIOT | Chartered Institute Of Taxation |
| CIOV | Commissione Istituti Ospitalieri Valdesi (Italian: Committee Institutes Hospitallers Valdesi) |
| CIP | Civilian Institution Programs |
| CIP | Community Institute for Psychotherapy |
| CIPA | Chartered Institute of Patent Attorneys |
| CIPA | Cornell Institute for Public Affairs |
| CIPD | Chartered Institute for Personnel and Development |
| CIPD | Chartered Institute of Personal Development |
| CIPD | Chartered Institute of Personnel and Development |