Rasmus Horn Langhoff (born 8 October 1980) is a Danish politician, who is a member of the Folketing for the Social Democrats political party. He was elected into parliament in the 2011 Danish general election.
Langhoff was first elected into parliament in the 2011 election, where he received 5,410 personal votes. He was reelected in 2015 with 5,917 votes and in 2019 with 5,812 votes.