Jacob Kehrein (born December 5, 1846) was a Prussian-born American schoolteacher and a Democratic Party politician who served one term in the Wisconsin State Assembly.
Kehrein was born in Kroetzenach, Kingdom of Prussia, on December 5, 1846; he immigrated with his family to the United States in 1848, and settled in Milwaukee in 1867.
After one term as a justice of the peace, and ten years as chairman of his ward, Kehrein was elected to the Assembly in 1902 for the 9th district of Milwaukee County (9th ward of the City of Milwaukee), succeeding fellow Democrat John C. Karel.
Kehrein received 1,043 votes against 1,031 for Republican George Christianson, 939 for Social Democrat Edmund J. Berner, and 40 for independent Louis Ziener.
This article about a Democratic Party member of the Wisconsin State Assembly is a stub.