WD may refer to:
WDJT-TV, virtual channel 58 (UHF digital channel 46), is a CBS-affiliated television station licensed to Milwaukee, Wisconsin, United States.
WDAF-TV, virtual channel 4 (UHF digital channel 34), is a Fox-affiliated television station licensed to Kansas City, Missouri, United States and serving the Kansas City metropolitan area.
WDIV-TV, virtual channel 4 (UHF digital channel 45), is an NBC-affiliated television station licensed to Detroit, Michigan, United States.
WDCW, virtual channel 50 (UHF digital channel 15), is a CW-affiliated television station licensed to the American capital city of Washington, District of Columbia.
WD-40 is the trademark name of a penetrating oil and water-displacing spray. The spray is manufactured by the WD-40 Company based in San Diego, California.
WDSU, virtual channel 6 (UHF digital channel 43), is an NBC-affiliated television station licensed to New Orleans, Louisiana, United States.
WDTN, virtual channel 2 (UHF digital channel 50), is an NBC-affiliated television station licensed to Dayton, Ohio, United States and serving the Miami Valley.
The Western Design Center (WDC) 65C02 microprocessor is an enhanced CMOS version of the popular NMOS-based 8-bit MOS Technology 6502 microprocessor—the CMOS redesign being made by Bill Mensch in 1978. Over various periods of time, the 65C02 has been second-sourced by NCR, GTE, Rockwell, Synertek and Sanyo.