Sir Alexander Robertson CBE FRSE FRCVS (3 February 1908 – 5 September 1990) was a Scottish veterinarian and administrator.
He studied veterinary science at the University of Aberdeen, graduating with an MA in 1929 and a BSc in 1930.
His proposers were Alan William Greenwood, James Ebenezer Wilson, John Russell Greig and Donald Capell Matheson.
He became a Commander of the Order of the British Empire (CBE) in 1963 and was knighted in 1970.
A plaque to his memory was erected on Marischal College soon after his death.