Bernhard Martin Jacobsen (March 26, 1862 - June 30, 1936) was a U.S. Representative from Iowa, father of William Sebastian Jacobsen. Born in Töendren, Schleswig-Holstein, Germany, Jacobsen attended the public schools. Immigrated in 1876 to the United States with his parents, who settled in Clinton, Iowa. He was employed as a clerk in a dry goods store until 1886, when he engaged in the mercantile business. He served as postmaster of Clinton 1914-1923. He retired from the mercantile business in 1927 and engaged in the industrial finance business. Jacobsen was elected as a Democrat to the Seventy-second, Seventy-third, and Seventy-fourth Congresses and served from March 4, 1931, until his death. Had been renominated for reelection to the Seventy-fifth Congress at the time of his death. He died in Rochester, Minnesota, June 30, 1936. He was interred in Springdale Cemetery, Clinton, Iowa.
