Francis William Rice, 5th Baron Dynevor (May 10, 1804 – August 13, 1878) was a British clergyman and peer. He was the second son of the Reverend Edward Rice, Dean of Gloucester himself second son of the 2nd Baroness Dynevor. The Dean's wife, Rice's mother, Charlotte Lascelles though born the illegitimate daughter of General Francis Lascelles and Ann Catley, a singer, was a niece of Edward Lascelles, 1st Earl of Harewood. Rice was educated at Westminster School and matriculated at Christ Church, Oxford on 18 October 1822. He obtained a B.A. degree in 1826 and was awarded an M.A. degree in 1847.