| R&S | Reconnaissance and Surveillance 
| Others |
| R&S | Recruitment and Selection
| Others |
| R&S | Riley and Scott
| Others |
| R/S | Range Safety
| Others |
| R/S | Redundant Set
| Others |
| R/S | Routing Slip
| Others |
| RS | Amiga Resource - Reassembler Data file
| Others |
| RS | Race Series
| Others |
| RS | Race Sport
| Others |
| RS | Racing Sedan
| Others |
| RS | Racing Sport
| Others |
| RS | Radial Sport
| Others |
| RS | Radio Saguenay
| Others |
| RS | Radio Set
| Others |
| RS | Radio Shack
| Others |
| RS | Radio Spares
| Others |
| RS | Radio System
| Others |
| RS | Raged Supercharge
| Others |
| RS | Railway Station
| Others |
| RS | Raised Salon
| Others |
| RS | Raju Sundaram
| Others |
| RS | Rajya Sabha
| Others |
| RS | Rally Sport
| Others |
| RS | Rallye Sport
| Others |
| RS | Ralph Smedley
| Others |
| RS | Randall Smith
| Others |
| RS | Random Scripture
| Others |
| RS | Random Seed
| Others |
| RS | Random Slew (plotters)
| Others |
| RS | Rapid Setting
| Others |
| RS | Rapid Shot
| Others |
| RS | Rapid Start
| Others |
| RS | Rarely Sells
| Others |
| RS | Ras Shamra
| Others |
| RS | Rate of Slope
| Others |
| RS | Rate Synthesizer
| Others |
| RS | Rating Scale
| Others |
| RS | Rawinsonde
| Others |
| RS | Raymond Smith
| Others |
| RS | Re-Scaled
| Others |
| RS | Read Set
| Others |
| RS | Ready to Serve
| Others |
| RS | Real Slow
| Others |
| RS | Real Sneaky
| Others |
| RS | Real Solvents
| Others |
| RS | Real Speed
| Others |
| RS | Really Shiny
| Others |
| RS | Really Sick
| Others |
| RS | Really Sleek
| Others |
| RS | Really Slow
| Others |
| RS | Really Smart
| Others |
| RS | Really Special
| Others |
| RS | Really Speedy
| Others |
| RS | Really Sporty
| Others |
| RS | Really Sticky
| Others |
| RS | Really Stupid
| Others |
| RS | Really Super
| Others |
| RS | Really Suspicious
| Others |
| RS | Rebecca Sue
| Others |
| RS | Rebuild Slowly
| Others |
| RS | Reclassification Sensitivity
| Others |
| RS | Recommended Standard
| Others |
| RS | Recommended Standards
| Others |
| RS | Reconnaissance/ Surveillance
| Others |
| RS | Record Separator
| Others |
| RS | Record Set
| Others |
| RS | Recycled Solutions
| Others |
| RS | Red Stripe
| Others |
| RS | Reduced Size
| Others |
| RS | Reducing Sugar
| Others |
| RS | Redundancy Status
| Others |
| RS | Redundant Sectoral
| Others |
| RS | Reed-Sternberg cells
| Others |
| RS | Reel Source
| Others |
| RS | Referencing String
| Others |
| RS | Reform School
| Others |
| RS | Refractive Surgery
| Others |
| RS | Refurbishment Spare
| Others |
| RS | Regional Stability
| Others |
| RS | Register Select
| Others |
| RS | Register Source
| Others |
| RS | Regular Show
| Others |
| RS | Reimbursement Specialist
| Others |
| RS | Reinforced Sidewall
| Others |
| RS | Reinhold Schlegelmilch, porcelain manufacturer
| Others |
| RS | Relative Strength
| Others |
| RS | Relative Supply
| Others |
| RS | Release Secondary
| Others |
| RS | Release Studio
| Others |
| RS | Religious Studies
| Others |
| RS | Religious Support
| Others |
| RS | Reload Shot
| Others |
| RS | Remote Sensing
| Others |
| RS | Remote Sentry
| Others |
| RS | Remote Server
| Others |
| RS | Remote Start
| Others |
| RS | Remote Station
| Others |
| RS | Remote Switch
| Others |
| RS | Renault Sport
| Others |
| RS | Renn Sport
| Others |
| RS | Replace String
| Others |
| RS | Reporting Services
| Others |
| RS | Reporting Standard
| Others |
| RS | Republic of Sudan
| Others |
| RS | Republika Srpska
| Others |
| RS | Request for Support
| Others |
| RS | Requirement Submission
| Others |
| RS | Resale Service
| Others |
| RS | Resample Scheme
| Others |
| RS | Rescue and Survival
| Others |
| RS | Rescue Squad
| Others |
| RS | Research and Scholarship
| Others |
| RS | Research Series
| Others |
| RS | Research Stage
| Others |
| RS | Reserve Space
| Others |
| RS | Reserved Seat
| Others |
| RS | Reset and Set
| Others |
| RS | Resident Secondaire
| Others |
| RS | Residents' Services
| Others |
| RS | Residual soil
| Others |
| RS | Resolute support
| Others |
| RS | Resonance Strength
| Others |
| RS | Resource Specialist
| Others |
| RS | Respiratory Sound
| Others |
| RS | Respiratory System
| Others |
| RS | Response Shock
| Others |
| RS | Rest System
| Others |
| RS | Restful Service
| Others |
| RS | ReStocking
| Others |
| RS | Return Shipment
| Others |
| RS | Returns Salute
| Others |
| RS | Revenue Share
| Others |
| RS | Revised Statutes
| Others |
| RS | Revised Support
| Others |
| RS | Revisionist Sh
| Others |
| RS | Revolutionary Soldier
| Others |
| RS | Reye's syndrome
| Others |
| RS | Rhinolophus Sinicus
| Others |
| RS | Richard Scott
| Others |
| RS | Ricognitore Stiavelli
| Others |
| RS | Right Side
| Others |
| RS | Rim Shot
| Others |
| RS | Ringer Solution
| Others |
| RS | Ringer's solution
| Others |
| RS | Ringo Starr
| Others |
| RS | Rio Grande do Sul
| Others |
| RS | Rising Star
| Others |
| RS | Riviera Sun
| Others |
| RS | Road Sailing
| Others |
| RS | Road Sport
| Others |
| RS | Road Switcher
| Others |
| RS | Rob Searle, Canadian Member of Parliament
| Others |
| RS | Robert Smigel, actor
| Others |
| RS | Robert Smith
| Others |
| RS | Roberval & Saguenay
| Others |
| RS | Roberval and Saguenay Railway
| Others |
| RS | Roberval and Saguenay Railway Company
| Others |
| RS | Rock Salt
| Others |
| RS | Rocket Start
| Others |
| RS | Roemheld Syndrome
| Others |
| RS | Rogue Spear
| Others |
| RS | Roland Strings
| Others |
| RS | Rolling Stock
| Others |
| RS | Rolling Stone
| Others |
| RS | Roof Shingles
| Others |
| RS | Rotation Spin
| Others |
| RS | Rotazione Standard
| Others |
| RS | Rough Sawn
| Others |
| RS | Rounded Spacer
| Others |
| RS | Row Space
| Others |
| RS | Royal Society
| Others |
| RS | Royal Society of London
| Others |
| RS | RS Scheme
| Others |
| RS | Rs Stand
| Others |
| RS | Rubber Seal
| Others |
| RS | Run Screaming
| Others |
| RS | Run Support
| Others |
| RS | RuneScape
| Others |
| RS | Running Scared
| Others |
| RS | Running System
| Others |
| RS | Runs Scored
| Others |
| Rs | Rupee
| Others |
| Rs | Rupees
| Others |
| RS | Rutgeerts score
| Others |
| RS | Serbia
| Others |
| RS | Solar Radii
| Others |