HC
Look up hc in Wiktionary, the free dictionary.
HC, hc or H/C may refer to:
Science, technology, and mathematics
Medicine
- Health Canada
 - Hemicrania continua
 - Hyperelastosis cutis or hereditary equine regional dermal asthenia
 
Chemistry
- Hemocyanin, a metalloprotein abbreviated Hc
 - HC smoke, a US military designation for Hexachloroethane
 - Homocapsaicin, a capsaicinoid
 - Hydrocarbon, a category of substances consisting only of hydrogen and carbon
 
Other uses in science, technology, and mathematics
- 74HC-series integrated circuits, a logic family of integrated circuits
 - Felix HC, a series of Romanian personal microcomputers produced by ICE Felix Bucharest and which were ZX Spectrum clones
 - Hemianthus callitrichoides, a freshwater aquatic plant native to Cuba
 - + h.c., a notation used in mathematics and quantum physics
 
Sports
- Head Coach
 - Hors catégorie (French), used in cycle races to designate a climb that is "beyond categorization"
 - UCI .HC road cycling races (1.HC and 2.HC), the second tier of events in the sport, after the UCI World Tour
 
Other uses
- Heritage Corridor, a Metra commuter rail line running from Chicago to Joliet, Illinois
 - Highway contract route, an outsourced United States Postal Service delivery method, formerly known as Star routes
 - Honorary degree, or honoris causa
 - Hors de commerce, prints similar to Artist Proofs except they are only available through the artist directly
 - Hospitality Club, an internet-based hospitality service
 - Houston Chronicle, newspaper of record of Houston, Texas
 - Aero-Tropics Air Services (IATA airline designator HC)
 - Disability, acronym for Handicap/Handicapped
 - High-cube container, a type of intermodal shipping container