William Arnemann

William F. Arnemann (October 14, 1850 – December 10, 1917) was an American businessman and politician.

Born in Hanover, Arnemann emigrated with his parents at age five and settled in West Bend, Wisconsin. In 1870, Arnemann started a soda water factory in Neenah, Wisconsin and was also in the ice business. He married Mary Bruening in 1872, with whom he had 10 children; she was killed by a train in 1916. Arnemann served on the Neenah Common Council and was mayor of Neenah. He also served on the Winnebago County, Wisconsin Board of Supervisors. Arnemann was a Democrat. He served in the Wisconsin State Assembly in 1903 and from 1915 until his death in 1917. He died unexpectedly of heart failure in Neenah, Wisconsin.