| Acronym | Definition |
|---|
| RSN➣Recovery Support Network (various organizations) |
| RSN➣Resort Sports Network |
| RSN➣Reason |
| RSN➣Real Soon Now |
| RSN➣Red Sox Nation |
| RSN➣Racing Sports Network (cars) |
| RSN➣Regional Sports Network |
| RSN➣Renal Support Network |
| RSN➣Result Set Name |
| RSN➣Remote Server Name |
| RSN➣Robust Secure Network |
| RSN➣Republic of Singapore Navy |
| RSN➣Robust Security Network (802.11i standard) |
| RSN➣Residual Soil Nitrogen (agriculture) |
| RSN➣Robust Surface Navigation |
| RSN➣Role Specialist Nation (US DoD) |
| RSN➣Refuser Solidarity Network |
| RSN➣Radio Salaam Namaste (Indian radio station; Irving, TX) |
| RSN➣Rat Sciatic Nerve |
| RSN➣Raytheon Services, Nevada (Las Vegas, Nevada) |
| RSN➣Release Sequence Number |
| RSN➣Réseau Sécurité Naissance (French: Birth Safety Network) |
| RSN➣Regroupement pour la Surveillance du Nucléaire (French: Coalition for Nuclear Responsibility; Canada) |
| RSN➣Remote Services Node |
| RSN➣Record Serial Number |
| RSN➣Road Safety Network |
| RSN➣Role Specialization Nation (NATO) |
| RSN➣R-Smart Network |
| RSN➣Royal Swazi National Airways Corp, Swaziland (ICAO code) |
| RSN➣Retraite Sportive Nogentaise (French senior citizen exercise association) |
| RSN➣Reference Serial Number |
| RSN➣Registered Surgical Nurse |
| RSN➣Reference Symbol Number |
| RSN➣Retrofit Service Notice (aviation) |
| RSN➣Rotary Separation Nut |
| RSN➣Radio Sorbonne Nouvelle (French college radio station; University of New Sorbonne; Paris, France) |
| RSN➣Regional Service Node |
| RSN➣Radioprotection et Sûreté Nucléaire (French: Nuclear Safety and Radiation Protection) |
| RSN➣Residential Service Network |
| RSN➣Règlement Relatif à la Sécurité des Navires (French: Ship Safety Regulations) |
| RSN➣Readable Serial Number |