- DLK stands for DVD (Digital Versatile Disc) Labeling Kit
- DLK stands for Detroit Lakes (Amtrak station code; Detroit Lakes, MN)
- DLK stands for Diffuse Lamellar Keratitis
- DLK stands for De Lyckliga Kompisarna (Swedish: The Happy Friends; Swedish punk band; est. 1989)
- DLK stands for Democratic League of Kosovo (political party)
- DLK stands for Double-lined Kraft (recycled paper)
- DLK stands for Dream Like Kings Dress Like Kings (clothing line)
- DLK stands for D Lux Konseil (French consulting firm)
- DLK stands for Devil’s Lake (various locations)
DLK