| CNIA | Cabbagetown Neighborhood Improvement Association 
| Others |
| CNIA | California Northern Interior Area
| Others |
| CNIA | Campionatul National de Indemanare Auto
| Others |
| CNIA | Canada Newcomers Immigration Association
| Others |
| CNIA | Canadian Nursing Informatics Association
| Others |
| CNIA | Carbon Nanotubes Interconnect Analyzer
| Others |
| CNIA | Central Neighborhood Improvement Association
| Others |
| CNIA | Centro Nacional de Investigaciones Agropecuarias
| Others |
| CNIA | CENTRO NACIONAL Investigaciones Agropecuarias
| Others |
| CNIA | Chia Nan Irrigation Association
| Others |
| CNIA | China Nonferrous Industry Association
| Others |
| CNIA | Circle of Nations Indigenous Association
| Others |
| CNIA | Circle of Nations Indigenous Association (University of Minnesota)
| Others |
| CNIA | Critical National Infrastructure Authority
| Others |
| CNIA | Critical National Infrastructure Authority (Abu Dhabi)
| Others |