BLK

BLK may refer to:

Locations

 * Blackpool Airport (BLK), airport in England
 * Burgenlandkreis (BLK), district in Saxony-Anhalt, Germany

Organisations

 * BLK, an Australian sports clothing company
 * BlackRock, the American investment management firm
 * Basket Liga Kobiet (Women's Basketball League), the top women's basketball league in Poland

Brands

 * BLK (magazine), 1988–1994 US magazine
 * Bonluck Bus, a Chinese bus manufacturer
 * Mercedes Benz BLK-Class

Other

 * BLK (gene), gene in humans
 * B lymphocyte kinase
 * Ray BLK, a British singer
 * Pa'O language (ISO 639-3 code blk)
 * .300 AAC Blackout designated as the 300 BLK by the SAAMI