| Abbreviation | Definition |
|---|---|
| RSSL | Reading Scientific Services Limited |
| RSSL | Reading Scientific Services Ltd |
| RSSL | Retirement And Social Security Law |
| RSSM | Recruiting and Staffing Solutions Magazine |
| RSSNR | Reference Signal Signal To Noise Radio |
| RSSNR | Reference Signal Signal to Noise Ratio |
| RSSP | Reformed Supply Support Program |
| RSSP | Refugee Social Services Program |
| RSSP | Regional Safe School Program |
| RSSP | Regional Safe Schools Program |
| RSSP | Reiki Shamanism Shekinah and Pranic |
| RSSP | Reiki Shamansim Shekinah and Prana |
| RSSP | Replaced System Sustainment Plan |
| RSSP | Repository Shared Services Projects |
| RSSP | RÉSEAU DE SURVEILLANCE SISMIQUE DES PYRÉNÉES |
| RSSP | Response Session Start Positive |
| RSSP | Restricted Substances Stewardship Program |
| RSSP | Rice Sector Support Project |
| RSSP | Road Sector Sustainability Program |
| RSSP | Rural Sector Support Program |