HCB
HCB is an abbreviation for:
- HC Bozen , ice hockey team of the Erste Bank Ice Hockey League
- Henri Cartier-Bresson (1908-2004), French photographer
- Honorary Commander of the Most Excellent Order of the British Empire , intermediate level of the British Order of the British Empire with the addition "honorary" for holders who are not citizens of the United Kingdom or the Commonwealth
- Hexachlorobenzene , a plant protection agent, is no longer permitted in the EU and Switzerland, among others
- Holderbank cement and concrete, see LafargeHolcim
- Hydrocarbonoclastic Bacteria, see Hydrocarbonoclastic Bacteria
- Shoal Cove Airport under the IATA airport code