Dennis Guth (born 1955) is an American politician, currently the Iowa State Senator from the 28th District.

After graduating, Guth went go on to attend Iowa State University where he received a degree in Agricultural Mechanization.

[3] Guth currently resides in Klemme with his wife Margaret, they have five children, one of which they had adopted from Brazil.

[4] As of February 2020, Guth serves on the following committees: Appropriations, Labor and Business Relations, and Local Government.

He also serves on the Administration and Regulation Appropriations Subcommittee (Chair), as well as the Healthy and Well Kids in Iowa (HAWK-I) Board.