| Abbreviation | Definition |
|---|---|
| RSMSSB | Rajasthan Subordinate and Ministerial Service Selection Board |
| RSMSSB | Rajasthan Subordinate and Ministerial Services Selection Board |
| RSMSSB | Rajasthan Subordinate Ministerial Service Selection Board |
| RSMSSB | Rajasthan Subordinate Ministerial Services Selection Board |
| RSMST | rectilinear Steiner minimal spanning tree |
| RSMST | Russian scientific medical society of therapeutist |
| RSN | Rahmat Syah Nst |
| RSN | Real Soon Now |
| RSN | Real Sourcing Network |
| RSN | Recovery Support Navigator |
| RSN | Reform Support Network |
| RSN | Relative Solubility Number |
| RSN | Responsible Sourcing Network |
| RSN | Right Substantia Nigra |
| RSN | Riktigt Snart Nu |
| RSN | Robust Secure Networks |
| RSN | Root Serial Number |
| RSN | Rowan Success Network |
| RSN | Rumble Strip Noise |
| RSNB | Redbridge Safer Neighbourhood Board |