RB
RB is used in government publications to refer to the Red Book, in telecom billing for reverse billing, and popularly as the title of the music video game Rock Band; it also appears in sports contexts such as the Rose Bowl.
Medical
Miscellaneous
Ruby Base
Rogers Batteryless
Radek Bonk
Roast Beef
Round Base
Roque Batty
Regular Banjo
Requires Binding
Rotatable Back
Release Bend
Right Bass
Raised Block
Raised Back
Right Bottom
Rocky Blue
Red Brown
Right Boundary
The Raging Bears
Revolving Back
Rice Boy
Rugged Blocker
Rubber Biscuit
Road Board
Retinoblastoma By
Rolls Barnoldswick
Rock Bakura
Rambut Busok
Reverse Binoculars
Remaining Battery
Richard Baggins
Roger Benoit
Reconnaissance The B
Red Bellied
Replace Binary
Regular Bucket
Reverse Bend
Rody And Bridget
Rody And Bridgitte
Red Boy
Relative Biomass
Round Buckler
Reserve Box
Raging Bull
Rubbish But
Running Beast
Random Bish
Richard Booton
Rifle Bomb
Reformado Bogota
Roberts Brothers
The Random Bgp
Ruston Bucyrus
Rear Bath
Rohon Beard
Resource Based
Resource Bundle
Rainbow Bright
Rich Burn
Replaced By
Rose Bowl
Random Body
Community
Governmental
Rubber Bullet
Review Board
Red Book
Radar Beacon
Short-Range Coastal or River Boat
Std Rubidium Standard
Academic & Science
Regional
Computing
Read Binary
Rotate Buffer
Registry Backup
Richard Bruce
Randomized Block
ROM (Read-Only Memory) Boot
Remote Backup
Reservation Bit
Resource Bearer
Reverse Billing