| Acronym | Definition |
|---|
| OCAM | Comisión Centroamericana de Directores de Migración (Spanish: Central American Commission of Directors of Migration; formerly Organización Centroamericana de Migración) |
| OCAM | Organisation Commune Africaine et Malgache |
| OCAM | Organización Centroamericana de Migración (Spanish: Central American Organization for Migration; now Comisión Centroamericana de Directores de Migración) |
| OCAM | Organe de Coordination pour l'Analyse de la Menace (French, Belgian antiterrorist group) |
| OCAM | office, computing and accounting machinery |
| OCAM | Optimal Control Applications and Methods |
| OCAM | Octave Chanute Aerospace Museum (Rantoul, Illinois) |
| OCAM | Organic Certification Association of Montana |
| OCAM | Organization for Children and Adolescent Mothers |
| OCAM | Ontario Centre for Advanced Manufacturing (Canada) |
| OCAM | Occupy Conservative America Movement |
| OCAM | Organisation Commune Africain et Mauricienne (French: Common African and Mauritian Organization) |
| OCAM | Oficina Conforto Ambiental |