Kalk

Kalk or KALK may refer to:


 * Kalk (surname)
 * Kalk, Cologne, a borough of Cologne, Germany
 * Kalk, Poland, a settlement in Kościerzyna County, Pomeranian Voivodeship
 * Chemische Fabrik Kalk, a former German chemical company
 * USS Kalk (DD-170), a US destroyer during World War I
 * Abbreviation for Kalkaska, Michigan
 * Kalk, an Afrikaans, Swedish, Dutch and German word meaning limestone
 * KALK, an American radio station