HCP may refer to:

Businesses HashiCorp (NASDAQ: HCP), an American software company Healthpeak Properties (formerly HCP, Inc.), an American investment company H. Cegielski – Poznań, a Polish manufacturing company Health Consumer Powerhouse, a Swedish think tank Highland Capital Partners, a venture capital firm

Health and medicine Hereditary coproporphyria Himalayan Cataract Project Human Connectome Project Hydrocephalus, or "water on the brain" Haemolysin-coregulated protein, in the Type VI secretion system Healthcare proxy Healthcare professional

Chemistry and materials Hardened cement paste Phosphaacetylene Hexagonal close-packed arrangement of spheres

Other uses Aga Khan Historic Cities Programme Habitat Conservation Plan Hamiltonian Circuit Problem, in computer science Handicap (horse racing), in horse racing Harding Charter Preparatory High School, in Oklahoma City, Oklahoma, United States Haut Commissariat au Plan in Morocco Heritage College, Perth, in Australia Hitachi Content Platform, the foundational component of the Hitachi Data Systems cloud architecture High card points in contract bridge Howrah Police Commissionerate, in West Bengal, India Hypnotize Camp Posse, American hip hop music group from Memphis, Tennessee