| Abbreviation | Definition |
|---|---|
| CALM | Computerisation for Archives Libraries and Museums |
| CAM | Contemporary Art Museum |
| CAMA | Central Arizona Museum Association |
| CAMD | Council of Australasian Museum Directors |
| CAME | Contemporary Art Museum of Estonia |
| CAMH | Contemporary Arts Museum Houston |
| CAMLA | Chinese American Museum Los Angeles |
| CAPA | Contemporary American Poetry Archive |
| CASM | Canadian Air and Space Museum |
| CBMM | Chesapeake Bay Maritime Museum |
| CBRM | Chesapeake Beach Railway Museum |
| CCA | Canadian Council of Archives |
| CCAD | Canadian Committee on Archival Description |
| CCCB | Centre de Cultura Contempor??nia de Barcelona |
| CCCB | Centre de Cultura Contemporània de Barcelona |
| CCHM | Clark County Historical Museum |
| CCHM | Clark County Historical Museum's |
| CCHM | Cooks Creek Heritage Museum |
| CCM | Canadian Canoe Museum |
| CCMM | County Carlow Military Museum |