Lieutenant General Sir Mark Francis Noel Mans, KCB, CBE, DL (born 1955) is a senior British Army officer, who served as Adjutant-General to the Forces of the United Kingdom from 2009 to 2012.

Educated at Berkhamsted School,[1] Mans was commissioned into the Royal Engineers in 1974.

[6] Mans served as Deputy Adjutant General,[7] taking up that appointment in 2006, before becoming Military Secretary in March 2008.

[4] Then in December 2009 he was made Adjutant-General to the Forces with responsibility for both personnel and support.

[10] Mans was awarded the Queen's Commendation for Valuable Service in 1996,[11] appointed a Commander of the Order of the British Empire in the 2005 Birthday Honours,[12] and awarded the American Legion of Merit in December 2006.