John Kevin Delaney is an American politician, businessman, and former attorney who was the United States representative for Maryland's 6th congressional district from 2013 to 2019. He was a candidate in the 2020 Democratic presidential primaries.

Maryland's 6th congressional district elects a representative to the United States House of Representatives from the northwest part of the state. The district comprises all of Garrett, Allegany, Frederick, and Washington counties as well as a portion of Montgomery County. David Trone (D) is its current representative.