Harlan Andrew Romanoff (born August 24, 1966) is an American politician.
A Democrat, he is a 2020 candidate for United States Senate from Colorado.
He previously was a member of the Colorado House of Representatives from 2001 to 2009, serving as Speaker from 2005 to 2009.
He was a candidate for the United States Senate in the 2010 election, when he was defeated by incumbent Democrat Michael Bennet in the party's primary.
Romanoff was the party’s nominee in the 2014 race to represent Colorado's 6th congressional district, but lost to incumbent U.S.