WCNA
| 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) |