NCA

• Amino acid N-carboxyanhydride
• NC.A
• National Campaign for the Arts
• National Capital Authority
• National Character Area
• National Cheerleaders Association
• National Citizens Alliance
• National Climate Assessment
• National Coffee Association
• National College of Arts
• National Command Authority
• National Communication Association
• National Competent Authorities
• National Computerization Agency
• National Conscription Agency
• National Conservation Area
• National Consumer Agency
• National Cricket Academy
• National Crime Agency
• National Crime Authority
• National Cycling Association
• Nationwide Ceasefire Agreement
• Neighbourhood components analysis
• Network Computing Architecture (disambiguation)
• Network of Concerned Anthropologists
• New Classical Adventure
• Nexus Computing Agent
• Ngorongoro Conservation Area
• Nicaragua
• Nigerian College of Accountancy
• Nippon Cargo Airlines
• Noise Control Act
• Non-compete agreement
• Nortel Certified Architect
• North Caicos Airport
• North Central Association of Colleges and Schools
• Northern Care Alliance NHS Group
• Norwegian Church Aid
• Norwegian Coastal Administration
• Nuclear Command Authority (disambiguation)
• Nuevo Central Argentino
• Urban community of Nice Côte d'Azur
• World Heritage Site
• lithium-ion batteries