| Acronym | Definition |
|---|
| SEDO➣Sell Domains |
| SEDO➣Search Engine for Domain Offers |
| SEDO➣Sustainable Energy Development Office (Australia) |
| SEDO➣Sociedad Española de Ortodoncia (Spain) |
| SEDO➣Sociedad Espanola de Optica (Spanish: Spanish Optics Society; est. 1968) |
| SEDO➣Small Enterprise Development Organization (various locations) |
| SEDO➣Socio-Economic Development Organisation (various locations) |
| SEDO➣South Eastern Development Organization (Tanzania) |