WDC may refer to:
Organizations Western Defense Command, a U.S. Army formation during World War II Western Design Center, a U.S. microprocessor company Western Digital Corporation (NASDAQ: WDC), an American disk drive manufacturer Whale and Dolphin Conservation, an international organisation World Dance Council World Darts Council, later Professional Darts Corporation The Walt Disney Company
Other uses World Data Center, for 1957–1958 International Geophysical Year data system World Design Capital, a design award