DKK

DKK may refer to:

Danish krone, by ISO 4217 currency code
Deutsches Klima-Konsortium, see German Climate Consortium
Dickkopf, a gene and protein family with roles in embryonic development in animals
Dil Kya Kare, a 1999 Hindi film
Dakka language of Sulawesi, Indonesia (ISO code: dkk)
Chautauqua County/Dunkirk Airport, New York State (IATA code: DKK)