General Sir Alexander Richard David Shirreff, KCB, CBE (born 21 October 1955) is a retired senior British Army officer and author.

[3] While sponsored through university by the British Army, he studied modern history at Exeter College, Oxford (BA, MA).

[9] Having seen active service during the Gulf War in 1991, Shirreff was promoted to lieutenant colonel on 30 June 1992,[10] and was appointed commanding officer of the King's Royal Hussars in 1994.

[27] Shirreff is an Advisory Board member of the non-for profit security organisation Genderforce, aiming to fight and prevent acts of Sexual and Gender Based Violence in conflict and post-conflict situations.

[32][33][34] Shirreff's commentaries on foreign militaries, such as his assessment on the strategic weaknesses of Russia's armed forces, have been distributed by news agencies such as Times Radio.