R/S
| Acronym | Definition |
|---|---|
| R/S | Ruby/Sapphire (Pokémon) |
| R/S | Reschedule (shorthand) |
| R/S | Routing and Switching (telecommunication networks) |
| R/S | Remote Sensing |
| R/S | Reverse Split (finance) |
| R/S | Reinforcing Steel (aka rebar) |
| R/S | Religion and/or Spirituality |
| R/S | Respectfully Submit |
| R/S | Rally Sport |
| R/S | Report of Survey |
| R/S | Route Sheet |
| R/S | Respectfully Sent (letter closing) |
| R/S | Reentry System |
| R/S | Regulatory or Safety (automotive requirements) |
| R/S | Replacement to Silent Ratio |
| R/S | Revision Segment |
| R/S | Rationalization & Standardization |