| Acronym | Definition |
|---|
| ECNA➣Eiffage Construction Nord Aquitaine (French construction company) |
| ECNA➣Église Chrétienne de la Nouvelle Alliance (French: Christian Church of the New Covenant; Canada) |
| ECNA➣East Central North America |
| ECNA➣Evangelical Church of North America (Brooklyn Park, MN) |
| ECNA➣East Central Neighborhood Association (Muncie, IN) |
| ECNA➣Extra Curricular Network Australia (est. 2007) |
| ECNA➣European Computer Network for the Arts |
| ECNA➣E-Community Networking Association (Australia) |
| ECNA➣Eastern Cape News Agency (South Africa) |