| MOCA | Maine Old Cemetery Association 
| Others |
| MOCA | Maintenance of Certification in Anesthesiology
| Others |
| MOCA | Marin Organic Certified Agriculture
| Others |
| MOCA | Mars Organic Carbon Analyzer
| Others |
| MOCA | Maserati Owners Club of Australia
| Others |
| MOCA | Matrix of Comparative Anthropogeny
| Others |
| MOCA | Mazda Owners Club of America
| Others |
| MOCA | Measure Open Cut Anywhere
| Others |
| MOCA | Mechanical Obstruction And Chemical Ablation
| Others |
| MOCA | Mechanochemical Ablation
| Others |
| MOCA | Media over Coax Alliance
| Others |
| MOCA | MediaWiki Ontology Convergence Assistant
| Others |
| MOCA | Men Of Christian Action
| Others |
| MOCA | Metric Optimization for Computational Anatomy
| Others |
| MOCA | Minimum Obstruction Clearance Altitude
| Others |
| MOCA | Ministry of Civil Aviation
| Ministry, Air Transport |
| MOCA | Minnesota Ovarian Cancer Alliance
| Others |
| MOCA | Missouri Ozarks Community Action
| Others |
| MOCA | Mitsubishi Owners Club Azerbaijan
| Others |
| MOCA | MN Ovarian Cancer Alliance
| Others |
| MOCA | Model Calibration
| Others |
| MOCA | Montreal Cognitive Assessment
| Others |
| MOCA | More Opportunities for College Advancement
| Others |
| MOCA | Morgan Owners Club of Australia
| Others |
| MOCA | Movement Opportunity and Community Awakening
| Others |
| MOCA | Multimedia Over Co-ax Alliance
| Others |
| MOCA | Multimedia over Coax Alliance
| Others |
| MOCA | Multimedia over Coaxial Alliance
| Others |
| MOCA | Museum of Chinese in America
| Others |
| MoCA | Museum of Chinese in the Americas
| Others |
| MOCA | Museum Of Computer Art
| Others |
| MOCA | Museum of Contemporary
| Others |
| MOCA | Museum Of Crappy Art
| Others |
| MOCA | Mustang Owners Club Australia
| Others |
| MOCA | Mustang Owners Club of Austin
| Others |