Delwyn Dean Stromer (April 22, 1930 – September 7, 2003) was an American politician who served in the Iowa House of Representatives from 1967 to 1991. He served as Speaker of the Iowa House for two years, from 1981 to 1982. Stromer was a member of the United States Army Reserve from 1951 to 1959, and served on active duty from 1953 to 1955. He died in 2003 at Mercy Medical Center in West Des Moines of cardiovascular disease complications.