Sir Alexander Robertson (14 November 18961939 England and Wales RegisterEngland & Wales, Civil Registration Death Index, 1916-2007 – 27 August 1970) was a British police officer. He served as Deputy Commissioner of Police of the Metropolis from 1958 to 1961.

Robertson won the Distinguished Conduct Medal (DCM) in 1916 for gallantry while serving in the Scots Guards. He was promoted from deputy commander to commander in the Metropolitan Police in 1952 and transferred to "A" Department.Report of the Commissioner of Police of the Metropolis for the Year 1952 He was appointed Assistant Commissioner "A", in charge of administration and uniformed policing, on 2 January 1957."Metropolitan Police Appointments", The Times, 12 November 1956 He remained in the job until his promotion to Deputy Commissioner on 1 September 1958."New Deputy Commissioner of Police", The Times, 24 July 1958 He retired on 1 November 1961,"Metropolis Post for Chief Constable", The Times, 29 June 1961 having been knighted in the 1961 New Year Honours.The New Year Honours, The Times, 31 December 1961

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