HB may refer to:
HBO (Home Box Office) is an American premium cable and satellite television network owned by WarnerMedia Entertainment, a division of AT&T's WarnerMedia.
HBOS plc was a banking and insurance company in the United Kingdom, a wholly owned subsidiary of the Lloyds Banking Group, having been taken over in January 2009. It was the holding company for Bank of Scotland plc, which operated the Bank of Scotland and Halifax brands in the UK, as well as HBOS Australia and HBOS Insurance & Investment Group Limited, the group's insurance division.
HBO (Home Box Office), which was originally established as a premium cable television channel in the United States, has expanded worldwide.
HBO (previously known as HBO Canada) is a Canadian pay television network from Crave (formerly The Movie Network), which is owned by Bell Media.
HBO Europe is a premium television group of channels by HBO. It is available as a group of film channels and streaming television services in Hungary, Poland, Czech Republic, Slovakia, Romania, Bulgaria, Croatia, Slovenia, Serbia, Montenegro, Bosnia and Herzegovina, North Macedonia, Moldova while VOD-only services with original programming is available in Spain, Sweden, Norway, Denmark, Finland and Portugal.
Beta globin (also referred to as HBB, β-globin, haemoglobin beta, hemoglobin beta, or preferably haemoglobin subunit beta) is a globin protein, which along with alpha globin (HBA), makes up the most common form of haemoglobin in adult humans, the HbA.
HBO Max is an upcoming American Internet video on demand service operated by WarnerMedia Entertainment.
HBGary is a subsidiary company of ManTech International, focused on technology security. In the past, two distinct but affiliated firms had carried the HBGary name: HBGary Federal, which sold its products to the US Federal Government, and HBGary, Inc.