BRR
- Aceh
- BR700
- BRR dances
- Badan Rehabilitasi dan Rekonstruksi
- Balanced repeated replication
- Barra Airport (Scotland)
- Barrhead railway station
- Bedroom Rat Records
- Binary Revolution Radio
- Bir (disambiguation)
- Bit Rate Reduction
- Bit-rate reduction
- Black Rose Rollers
- Blenheim Riverside Railway
- Blenheim, New Zealand
- Book Rights Registry
- Brazilian cruzeiro real
- Brrr (disambiguation)
- Business Readiness Rating
- ISO 4217
- Nias