Dek or DEK may refer to:
DeKalb County (/dəˈkæb/ də-KAB) is a county in the U.S. state of Georgia. As of the 2010 census, the population was 691,893, making it Georgia's fourth-most populous county.
DeKalb Avenue is a local station shared by the BMT Fourth Avenue Line and the BMT Brighton Line of the New York City Subway, located at the intersection of DeKalb and Flatbush Avenues in Brooklyn.
Donald Kent Slayton (March 1, 1924 – June 13, 1993), (Major, USAF), better known as Deke Slayton, was an American World War II pilot, aeronautical engineer, test pilot who was selected as one of the original NASA Mercury Seven astronauts, and became NASA's first Chief of the Astronaut Office.
The DeKalb County School District (DCSD) is a school district headquartered at 1701 Mountain Industrial Boulevard in unincorporated DeKalb County, Georgia, United States.
Dekada '70 (Dekada '70: Ang Orihinal at Kumpletong Edisyon), translated literally into English as "[Decade] '70's", is a Filipino novel written by Lualhati Bautista.
DeKalb /dᵻˈkælb/ is a city in DeKalb County, Illinois, United States. The population was 43,862 according to the 2010 census.
Dekese is a community in the Democratic Republic of the Congo, on the right bank of the Lukenie River.
Dekker Dreyer (born November 16, 1980) is a writer, director, producer, and artist. He is one of the original founders of the cable network Illusion On-Demand
Deke Sharon (born December 12, 1967) is an American singer, arranger, composer, director, producer and teacher of a cappella music, and is one of the leaders and promoters of the contemporary a cappella community and a pioneer of the contemporary a cappella style, referred to as "the father of contemporary a cappella" by some authors.