HDC

HDC may refer to:

Computing

 * Hyperdimensional computing, or computation that uses very long vectors
 * Handle of Device Context, part of the GDI API
 * High-Definition Coding, an audio compression codec
 * /dev/hdc; Unix-like ATA device file

Organizations

 * Halal Industry Development Corporation, Malaysia
 * Health and Disability Commissioner, New Zealand
 * Health Data Consortium, US
 * Historic Districts Council, New York City, US
 * Honeysuckle Development Corporation, NSW, Australia
 * HDC Hyundai Development Company, South Korea

Transportation

 * Haldia Dock Complex, of the Port of Kolkata, India
 * Hammond Northshore Regional Airport (FAA LID code), Louisiana, US
 * Hill descent control system, of an automobile

Other uses

 * Heavyweight Dub Champion, an American electronic music group
 * Herräng Dance Camp, Sweden
 * Histidine decarboxylase, an enzyme
 * Holder in due course, a concept in commercial law
 * Home Detention Curfew, in the UK