HCB
HCB is the abbreviation for:
- Hydrocarbonoclastic Bacteria
- Hexachlorobenzene, no longer approved as a pesticide in Germany since 1971; banned under the Stockholm Convention worldwide since 2004
- The IATA code for the airport Shoal Cove, Alaska, USA
- HC Bolzano hockey team of the Italian Serie A
- Henri Cartier -Bresson
- Disambiguation
- Abbreviation