Brigadier Sir Ralph Herbert Rayner MBE (13 January 1897 – 17 July 1977) was a British Conservative Party politician. Rayner was commissioned into the Duke of Wellington's Regiment, in which he served as a signals officer. He was seconded to the Royal Flying Corps in 1916. During the First World War he served on the Western Front and India. He was seconded to the Indian Army in 1917 and served in the Third Afghan War. He transferred to the Royal Corps of Signals in the 1920s. Between 1928 and 1930 he was ADC to the Marquess of Willingdon, Governor General of Canada. He was promoted Captain in 1916 and Major in 1919 and retired in 1933. He then entered politics and was Member of Parliament (MP) for Totnes from 1935 to 1955. He rejoined the Army during the Second World War and reached the ran