| Acronym | Definition |
|---|
| RPSD➣Remote Port Security Device (telecommunications) |
| RPSD➣Response Power Spectral Density |
| RPSD➣Radiation Protection and Shielding Division (American Nuclear Society) |
| RPSD➣Roselle Park School District (Roselle Park, NJ) |
| RPSD➣RNA Polymerase Sigma-D Factor |
| RPSD➣Renaissance du Parti Social-Democratique (French: Renewal of the Social Democratic Party, Madagscar) |