DLK

DLK may refer to:


 * Transportation
 * Dalkolha railway station, Indian Railways station code
 * Dalston Kingsland railway station, England, National Rail station code
 * Deccan Aviation (Lanka), ICAO airline code
 * Detroit Lakes (Amtrak station), Minnesota, US, station code


 * Other
 * De lyckliga kompisarna, a Swedish punk band
 * Diffuse lamellar keratitis, a condition affecting eyesight
 * MAP3K12, an enzyme
 * Delta-like protein 1, DLK1