Sheldon Lowell Rittmer (September 5, 1928 – November 21, 2015) was an American politician in the state of Iowa.

Rittmer was born in Clinton County, Iowa.

He served in the Iowa State Senate from 1991 to 2003, as a Republican.

[1] He died in 2015 in Bettendorf, Iowa from a Zenker's diverticulum.

This article about an Iowa politician is a stub.