Henry J. Ohl, Jr. (March 16, 1873 – October 16, 1940) was a Wisconsin typographer and trade union leader, president for many years of the Wisconsin State Federation of Labor (WSFL). He also served one term as a Socialist member of the Wisconsin State Assembly from Milwaukee.
Ohl was born in the city of Milwaukee March 16, 1873, attended the public schools, and became a typographer and member of the International Typographical Union. He had been active in the union movement of Wisconsin, for some time, and was a member of the Wisconsin State Federation of Labor Executive Board, and union organizer for the American Federation of Labor and Wisconsin Federation of Labor, when elected to the legislature.
Ohl was an active member of the Socialist Party of Milwaukee, and served as deputy city clerk under Socialist mayor Emil Seidel from 1910-1912. He was elected in 1916 to succeed fellow Socialist Carl Minkley as a member of the State Assembly for the Fourth district of Milwaukee County (20th and 22nd wards of the City of Milwaukee), with 3057 votes to 2987 for Republican F. Meyer and 1381 for Democrat J.P. O'Neil. He was assigned to the standing committee on state affairs. He did not run for re-election in 1918, and was succeeded by fellow Socialist Albert Ehlman.