| BTRC | Bangladesh Telecommunication Regulatory Commission 
| Others |
| BTRC | Bankstown Trotting Recreational Club
| Others |
| BTRC | Belarusian Television and Radio Company
| Others |
| BTRC | Bellingham Trail Running Club
| Others |
| BTRC | Beta-Transducin Repeat Containing
| Others |
| BTRC | Bio Tek Research Consultants
| Others |
| BTRC | Biological Teaching Resource Center
| Others |
| BTRC | Biomedical Technology Resource Centers
| Others |
| BTRC | Blackall Tambo Regional Council
| Others |
| BTRC | Blacksburg Tactical Research Center
| Others |
| BTRC | Boilerman (repairman) Chief Petty Officer
| Others |
| BTRC | Boundary Trail Railway Company
| Others |
| BTRC | Brain Tumor Research Center
| Others |
| BTRC | Brain Tumour Research Campaign
| Others |
| BTRC | Brain Tumour Research Centre
| Others |
| BTRC | British Truck Racing Championship
| Others |
| BTRC | Buffalo Therapeutic Riding Center
| Others |
| BTRC | Business Tax Registration Certificate
| Others |