Samuel Allen Rice (January 27, 1828 – July 6, 1864) was born in Cattaraugus, New York.

In the American Civil War, he was a colonel in the 33rd Iowa Volunteer Infantry which was mustered into U.S. Army service on October 4, 1862 within Mahaska County.

He fought to open the Yazoo River for navigation, and then he commanded the 2nd Brigade, 13th Division, XIII Corps at Helena, Arkansas.

On April 30, 1864 at Jenkins' Ferry, Arkansas, he was mortally wounded and then was returned to his home state of Iowa.

He was the older brother of Union general Elliott Warren Rice.