Decker can refer to:
Names Decker (surname)
Places Antarctica Decker Glacier Canada Decker, Manitoba Decker Lake (British Columbia), a lake near the town of Burns Lake, British Columbia Decker Lake, British Columbia, a community on that lake
United States Decker, Indiana, a town Decker, Wisconsin, an unincorporated community Decker Corner, Wisconsin, an unincorporated community Decker Peak, a mountain in Idaho Decker Prairie, Texas Deckertown, New Jersey Deckerville, Michigan Deckers, Colorado
Entertainment Black+Decker, an American manufacturer of power tools, accessories, hardware, home improvement products, home appliances and fastening systems Decker, a term for a computer hacker in the Shadowrun universe Decker (TV series), an American comedy web and television series starring Tim Heidecker and Gregg Turkington Ultraman Decker, a 2022 Japanese tokusatsu television series
Other Double decker bus, a bus which has two decks (floors) for passengers Forster–Decker method, a series of chemical reactions that transform a primary amine ultimately to a secondary amine
See also Deckers (disambiguation) Dekker