William Heilman (October 11, 1824 – September 22, 1890) was an American businessman who served two terms as a U.S. Representative from Indiana from 1879 to 1883.
Born in Albig, Grand Duchy of Hesse, Heilman immigrated to the United States in 1843 and settled on a farm in Posey County, Indiana.
After moving to Evansville, Indiana, he worked for a manufacturing company and subsequently became president of a cotton mill.
In 1847, he founded a machine shop for the manufacture of drills.
Political career
He served as member of the city council 1852-1865, as member of the Indiana House of Representatives 1870-1876 and as delegate to the Republican National Convention in 1876.
He served in the Indiana State Senate from 1876 until March 3, 1879.
Congress
Heilman was elected as a Republican to the Forty-sixth and Forty-seventh Congresses (March 4, 1879 – March 3, 1883).
He was an unsuccessful candidate for reelection in 1882 to the Forty-eighth Congress, losing the general election to John Kleiner.