Brigadier Charles Deane Steel CMG OBE (29 May 1901 − 7 February 1993) was a British Army officer and civil servant.

Between 1945 and 1949 Steel was Deputy Head of the British Military Mission to Greece and was promoted to the rank of lieutenant-colonel in 1947.

[4] He was made an honorary brigadier on 15 February 1952 and retired from the Regular Army Reserve of Officers in 1961.

Steel was Head of the Accommodation Department in Her Majesty's Diplomatic Service between 1965 and 1967.

On 9 April 1932 he married Elizabeth, daughter of Colonel Lawrence Chenevix-Trench and Winifred Ross Tootal, and together they had two sons.