Q , R
- QMG: Quarter Master General
- QR: Quantitative Restriction
- RAF: Rapid Action Force
- RAM: Random Access Memory
- RBI: Reserve Bank of India
- RCC: Reinforced Concrete Cement
- RDF: Rapid Development Force
- RDS: Radio Data Servicing
- RDSS: Radio Determination Satellite Service
- REACH: Rehabilitate, Educate and Support Street Children
- RLO: Returned Letter Office
- RLV: Reusable Launch Vehicle
- RPM: Revolution Per Minute
- RPO: Recruitment Process Outsourcing; Regional Passport Officer
- RRB: Regional Rural Bank
- RRPI: Rural Retail Price Index
- RSS: Rashtriya Swyamsevak Sangh
- RSVP: Repondez s’il vous plait (Fr.) reply, if you please
- RTGS: Real Time Gross Settlement System