Other
- DeKalb High School (disambiguation), the name of several high schools in the United States
- DeKalb-Peachtree Airport (PDK) in Chamblee, DeKalb County, Georgia
- DeKalb School of the Arts, a magnet school in DeKalb County, Georgia near Atlanta
- DeKalb receptor, a fictional device in the science fiction story "Waldo" by Robert A. Heinlein.
- DEKALB Genetics Corporation, a hybrid corn seed producer.
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