| OCAM | Occupy Conservative America Movement 
| Others |
| OCAM | Oceanic Culture and Art Museum
| Others |
| OCAM | Office of Center Administration and Management
| Others |
| OCAM | Oficina del Comisionado de Asuntos Municipales
| Others |
| OCAM | Optimal Control Applications and Methods
| Others |
| OCAM | Ordem Dos Contabilistas E Auditores De Mocambique
| Others |
| OCAM | Organization Commune Africaine et Malgache
| Others |
| OCAM | Ovarian Cancer Awareness Month
| Others |