Christopher Bromhead Birdwood, 2nd Baron Birdwood, MVO (22 May 1899 – 5 January 1962), was a British hereditary peer, soldier and author.
The son of Field Marshal Lord William Birdwood and Janetta Hope Gonville Bromhead (daughter of Sir Benjamin Parnell Bromhead, 4th Baronet, and niece of Gonville Bromhead, VC), Christopher Birdwood was baptised at Twickenham, London, England.
He was educated at Clifton College and Royal Military Academy, Sandhurst, Berkshire.
Birdwood was commissioned as a second lieutenant on to the Unattached List, Indian Army on 21 December 1917. In France he was Aide-de-Camp to the General Officer Commanding the Australian Corps and 5th Army, his father, from 10 March 1918 to 28 February 1919. For his service he was Mentioned in Despatches. He was decorated with the Order of Aviz of Portugal.
He arrived in India on 10 April 1919, was appointed to the Indian Army on 15 April 1919 and posted to the King Edward VII's Own Lancers (Probyn's Horse) of the Indian Army. As per the London Gazette of 12 September 1919 he was promoted lieutenant, antedated to 22 December 1918, but not until the French Republic conferred the Chevalier de la Légion d'honneur for helping save La Patrie. In the same year he fought in the Waziristan Campaign between 1919 and 1920. In February 1920 he was promoted Acting Captain whilst attached to the 2/76th Punjabis, additionally being made Adjutant in July 1920. Birdwood returned to the 11th KEO Lancers by March 1921, by which time they had amalgamated with the 12th Cavalry to form 5th King Edward's Own Probyn's Horse, so named after a secretary to Queen Victoria. He was eventually promoted to captain on 21 December 1921.