Knud Langeland (October 27, 1813 – February 8, 1886) was an American editor, farmer and politician.
Langeland was born in Samnanger, Norway and went to school in Norway. In 1843, Langeland emigrated to the United States and settled on a farm in Racine County, Wisconsin Territory. Langeland was the editor of the newspaper Democraten, published in Racine, Wisconsin. In 1860, Langeland served in the Wisconsin State Assembly and was a Republican. In 1866, Langeland became the editor of the newspaper Skandinaven, which was published in Chicago, Illinois. Langeland retired because of ill health and died in Milwaukee, Wisconsin.