RR
RR typically denotes the British luxury marque Rolls‑Royce or the Range Rover line of SUVs, and the initials are also used in medical or personal‑name contexts.
Medical
Recovery Room
Regular Rhythm
Respiratory Rate
Response Rate
Recognition Rate
Reflexive Relation
Rest and Relaxation
Rational Recovery
Rehabilitate and Remove
Miscellaneous
Rural Remainder
Raymond Richard
Really Red
Roundup Ready
Renderzone Radiosity
Rowdy Rochelle
Radical Right
Ready Reaction
Ruggedness And Reliability
Rapid Retrieve
Red Ribbon
Radio Ready
The Reykjanes Ridge
Rubber Rand
Radio Retransmissions
Reinassance Ridge
Resonance Raman
Reverse Rotation
Request Return
Rejection Region
Reference Range
Range Rover
Remittance Regulations
Rreceive Ready
Required Reserves
Royal Red
Retarded Republicans
Ragnorak Raiders
Resistance Roll
Russian Roulette
Raging Red
Retain and Recall
Rolls-Royce Engine Designation
Rally Raid
Randy Rhoads
Rolled Roofing
Recycled Rubber
Really Razy
Community
Rethink Recycling
Regular Relation
Reading Renaissance
Rock Rules
Royce Realm
Religious Right
Regional Radio
Radio and Records
Reliable and Responsible
Remove to Recycling
Re Reading
The Rural Residential
Richard Russell
Richie Rich
Robert Riley
Roy Rogers
Ravens Ridge
Re-Recording
Reichsleiter Rosenberg
Governmental
Readiness Review
Reporting Responsibility
Requirements Review
Reference Receiver
Round Rock
Rural Route
Relevant Rank
Rounds Remaining
Royal Ranger
Rural Reconstruction
Road Ready
Road Roller
River Rats
Rebel Rocket
Recruitment and Retention
Re Review
Refit and Repair
Rough Riders
Relaxed Rider
Ranch Road
Rafter Rat
Respiration Rate
Recall Recommendation
Repeatedly Reactive
Reattack Recommendation