Jack William Hester (June 22, 1929 – April 29, 1999) was an American farmer and politician who served as a member of the Iowa Senate from 1979 to 1993.

He served in the United States Air Force during the Korean War.

Hester served in the Iowa State Senate from 1979 to 1995 and was a Republican.

He lived in Honey Creek, Pottawattamie County, Iowa.

His wife Joan Hester also served in the Iowa General Assembly.