Ken Rozenboom (born 1951) is the Iowa State Senator from the 19th District.

Born and raised in Oskaloosa, Iowa Rozenboom graduated Pella Christian High School before attending Calvin College in Michigan.

He stepped into politics when he became Mahaska County Supervisor in 2010, going on to serve two years until 2012.

[2] As of February 2020, Rozenboom serves on the following committees: Natural Resources and Environment (Chair), Agriculture, Appropriations, Education, and State Government.

He also serves on the Agriculture and Natural Resources Appropriations Subcommittee (Vice Chair), and Flood Mitigation Board.