Severt Benjamin Duea (February 13, 1876 – March 2, 1956) was an American businessman and politician.
Duea was born in Story County, Iowa and attended the public schools there.
Duea worked as a cashier in the First National Bank of Ruthton; he served as the village treasurer for Ruthton, Minnesota.
Duea served as the secretary for the Governor of Minnesota J.A.O.
Preus and served as the Minnesota Superintendent of Banks.