| R&B | R&B commonly abbreviated for "rhythm and blues" but also means "rap and beat" 
| Others |
| R&B | Red and Black Edition
| Others |
| R&B | Reed & Barton
| Others |
| R&B | Renwick and Bertelli
| Others |
| R&B | Rhythm & Blues
| Others |
| R&B | Rhythm and Blues
| Others |
| R&B | Rocky & Bullwinkle
| Others |
| RB | Race Bred
| Others |
| RB | Race Breed
| Others |
| RB | Rachel Berry
| Others |
| RB | Racing Bred
| Others |
| RB | Racing Breed
| Others |
| RB | Radar Beacon
| Others |
| RB | Radek Bonk
| Others |
| RB | Raelert Brothers
| Others |
| RB | Raffel Brothers
| Others |
| RB | Raging Bull
| Others |
| RB | Rainbow Bright
| Others |
| RB | Raised Back
| Others |
| RB | Raised Block
| Others |
| RB | Rambut Busok
| Others |
| RB | Random Bish
| Others |
| RB | Random Body
| Others |
| RB | Random Boner
| Others |
| RB | Randomized Block
| Others |
| RB | Rasen Ball
| Others |
| RB | Raw Blanks
| Others |
| RB | Read Binary
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| RB | Real Beard
| Others |
| RB | Really Big
| Others |
| RB | Rear Bath
| Others |
| RB | Rechargable Battery
| Others |
| RB | Recommended Beer
| Others |
| RB | Reconnaissance The B
| Others |
| RB | Record Book
| Others |
| RB | Record Breaker
| Others |
| RB | Record Breaking
| Others |
| RB | Red Baron (Rittmeister Baron von Richtofen)
| Others |
| RB | Red Bellied
| Others |
| RB | Red Book
| Others |
| RB | Red Boy
| Others |
| RB | Red Brick
| Others |
| RB | Red Brown
| Others |
| RB | Red Bull
| Others |
| RB | Red-Brown
| Others |
| RB | RedBubble
| Others |
| RB | Reformado Bogota
| Others |
| RB | Registered Builder
| Others |
| RB | Registry Backup
| Others |
| RB | Regular Banjo
| Others |
| RB | Regular Bucket
| Others |
| RB | Relative Biomass
| Others |
| RB | Release Bend
| Others |
| RB | Remaining Battery
| Others |
| RB | Remote Backup
| Others |
| RB | Replace Binary
| Others |
| RB | Replaced By
| Others |
| RB | Republic of Biafra
| Others |
| RB | Requires Bind
| Others |
| RB | Requires Binding
| Others |
| RB | Research Board
| Others |
| RB | Reservation Bit
| Others |
| RB | Reserve Box
| Others |
| RB | Resident Bangladeshis
| Others |
| RB | Resistance Barrier
| Others |
| RB | Resource Based
| Others |
| RB | Resource Bearer
| Others |
| RB | Resource Bundle
| Others |
| RB | RetinoBlastoma
| Others |
| RB | Retinoblastoma By
| Others |
| RB | Revenue Book
| Others |
| RB | Reverse Bend
| Others |
| RB | Reverse Billing
| Others |
| RB | Reverse Binoculars
| Others |
| RB | Review Board
| Others |
| RB | Revolving Back
| Others |
| RB | Rice Boy
| Others |
| RB | Rice Bran
| Others |
| RB | Rich Baller
| Others |
| RB | Rich Burn
| Others |
| RB | Richard Baggins
| Others |
| RB | Richard Booton
| Others |
| RB | Richard Bruce
| Others |
| RB | Rifle Bomb
| Others |
| RB | Right Back
| Others |
| RB | Right Bass
| Others |
| RB | Right Bend
| Others |
| RB | Right Bottom
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| RB | Right Boundary
| Others |
| RB | Right Brain
| Others |
| RB | Rigid Body
| Others |
| RB | Ring Bearer
| Others |
| RB | Rite Bros
| Others |
| RB | Riverboat
| Others |
| RB | Road Bike
| Others |
| RB | Road Board
| Others |
| RB | Roast Beef
| Others |
| RB | Rob Berridge
| Others |
| RB | Roberts Brothers
| Others |
| RB | Rochester Beijing
| Others |
| RB | Rock Bakura
| Others |
| RB | Rock Band
| Others |
| RB | Rocky Blue
| Others |
| RB | Rody And Bridget
| Others |
| RB | Rody And Bridgitte
| Others |
| RB | Roger Benoit
| Others |
| RB | Rogers Batteryless
| Others |
| RB | Rohon Beard
| Others |
| RB | Rolls Barnoldswick
| Others |
| RB | ROM (Read-Only Memory) Boot
| Others |
| RB | Ronald Brooks
| Others |
| RB | Room and Board
| Others |
| RB | Room Booking
| Others |
| RB | Roque Batty
| Others |
| RB | Rose Bowl
| Others |
| RB | Rotatable Back
| Others |
| RB | Rotate Buffer
| Others |
| RB | Round Base
| Others |
| RB | Round Buckler
| Others |
| RB | Rounded Box
| Others |
| RB | Royal Blue
| Others |
| RB | Rubber Ball
| Others |
| RB | Rubber Biscuit
| Others |
| RB | Rubber Bullet
| Others |
| RB | Rubberized Base
| Others |
| RB | Rubbish But
| Others |
| RB | Rubidium
| Element |
| RB | Ruby Base
| Others |
| RB | Rugged Blocker
| Others |
| RB | Running Back
| Others |
| RB | Running Backs
| Others |
| RB | Running Beast
| Others |
| RB | Ruston Bucyrus
| Others |
| RB | Short-Range Coastal or River Boat
| Others |
| RB | Std Rubidium Standard
| Others |
| RB | The Raging Bears
| Others |
| RB | The Random Bgp
| Others |