Louis D. Guth (May 25, 1857 – March 15, 1939) was an American businessman and politician.
Born in the town of Polk, Washington County, Wisconsin, Guth went to Northwestern University and then graduated from the Milwaukee Spencerian Business College in 1870.
In 1888, Guth settled in Kewaskum, Wisconsin and was in the insurance business.
His brother Lorenz Guth ran for West Bend Mayor in 1914 against William G. Bratz and B.C.
This article about a Republican Party member of the Wisconsin State Assembly born in the 1850s is a stub.