| Acronym | Definition |
|---|
| RDN➣Relative Distinguished Name (TMN) |
| RDN➣Regional District of Nanaimo (Nanaimo, BC, Canada) |
| RDN➣Resource Discovery Network |
| RDN➣Redirecting Number |
| RDN➣Relative Distinguished Name |
| RDN➣Resource Discovery Network (UK) |
| RDN➣Registered Dental Nurse (UK) |
| RDN➣Nsw Rural Doctors Network (NSW, Australia) |
| RDN➣Relic Developers Network (video game development) |
| RDN➣Religious Diversity News |
| RDN➣Redirected Number |
| RDN➣Ragazzi Della Nord |
| RDN➣Revue Défense Nationale (French: National Defense Review; journal) |
| RDN➣Revanche des Nerdz (French Canadian technology TV show) |
| RDN➣Routed Data Network |
| RDN➣Registered Dietitian and Nutritionist |
| RDN➣Routing Domain Number (RFC1069 and BGP) |
| RDN➣Ray Density Normalization |
| RDN➣Récupération du Nord (French recycling company; est. 1988) |