BQ

BQ, Bq, or bq may refer to:

Places

 * Navassa Island (FIPS PUB 10-4 territory code BQ)
 * Caribbean Netherlands (ISO 3166-1 alpha-2 country code)
 * .bq, the country-code Top Level Domain for Caribbean Netherlands
 * British Antarctic Territory (former ISO 3166-1 alpha-2 country code)

Businesses and organizations

 * Aeromar Líneas Aéreas Dominicanas (IATA airline designator BQ)
 * Bin Quraya, leading heavy equipment rental firm in Saudi Arabia
 * Birds Queensland, the ornithological society of Queensland, Australia
 * Bloc Québécois, a political party of Canada
 * BQ (company), a Spanish user electronics company
 * BQ Aquaris, the company's brand of devices

Science and technology

 * Becquerel (Bq), the SI derived unit of radioactivity
 * Benzoquinone, a chemical compound
 * BQ.1 and BQ.1.1 (Cerberus), SARS-CoV-2 Omicron variants
 * BQ-788, a selective ETB antagonist
 * BQ-123, a cyclic peptide
 * Broadcast quality, a video quality standard for broadcast television

Other uses

 * Boston Qualifier, a qualifier in the Boston Marathon
 * Band Queer, etymologically Band Qualified, a member of the Fightin' Texas Aggie Band
 * Blood quantum laws, laws in the United States that define Native American status by fractions of Native American ancestry.