DK19 may refer to:
Minor planets 2000 DK19, a minor planet discovered in 2000 listed at List of minor planets: 103001–104000 2001 DK19, a minor planet discovered in 2001 listed at List of minor planets: 77001–78000 2002 DK19, a minor planet discovered in 2002 listed at List of minor planets: 405001–406000 2003 DK19, a minor planet discovered in 2003 listed at List of minor planets: 114001–115000 2004 DK19, a minor planet discovered in 2004 listed at List of minor planets: 211001–212000 2006 DK19, a minor planet discovered in 2006 listed at List of minor planets: 812001–813000 2007 DK19, a minor planet discovered in 2007 listed at List of minor planets: 161001–162000 2008 DK19, a minor planet discovered in 2008 listed at List of minor planets: 294001–295000 2009 DK19, a minor planet discovered in 2009 listed at List of minor planets: 509001–510000 2010 DK19, a minor planet discovered in 2010 listed at List of minor planets discovered using the WISE spacecraft 2014 DK19, a minor planet discovered in 2014 listed at List of minor planets: 472001–473000 2015 DK19, a minor planet discovered in 2015 listed at List of minor planets: 654001–655000 2017 DK19, a minor planet discovered in 2017 listed at List of minor planets: 788001–789000
Other National road 19 (Poland), a road in Poland abbreviated as DK19 Dinesh Kartik, an Indian professional cricketer