| Acronym | Definition |
|---|
| WCNA➣West Coast North America (shipping area) |
| WCNA➣World Congress of Nonlinear Analysts |
| WCNA➣World Convention of Narcotics Anonymous |
| WCNA➣West Central Neighborhood Association (Fort Wayne, IN) |
| WCNA➣World Congress for Nurse Anesthetists (conference) |
| WCNA➣White Clarke North America (business technology consulting) |
| WCNA➣World Congress of News Agencies (conference) |