BQ may refer to:
- Aeromar Líneas Aéreas Dominicanas IATA airline designator
- Birds Queensland, the ornithological society of Queensland, Australia
- Bloc Québécois, a political party of Canada
- Broadcast quality
- Navassa Island, FIPS PUB 10-4 territory code
- Boston Qualifier, a qualifier in the Boston Marathon
- Caribbean Netherlands, ISO 3166-1 alpha-2 country code
- .bq, the ccTLD for Caribbean Netherlands
- British Antarctic Territory, former, deleted ISO 3166-1 alpha-2 country code
Bq may stand for:
- Becquerel, the SI unit of radioactivity
- Bonus Question