Brigadier Sir Donald Mackinnon Cleland, CBE (28 June 1901 – 27 August 1975) was an Australian soldier and administrator.

Born on 28 June 1901 at Coolgardie, Western Australia, eldest son of Adelaide-born Elphinstone Davenport Cleland, mine-manager, and his second wife Anne Emily, née Mackinnon, from Scotland.

Energetic, with broad interests and deft social skills, Rachel complemented his dour, sometimes gruff, manner, and eased contact with diverse people.

[1] Cleland stood for the Legislative Assembly seat of Claremont at the 1933 and 1936 state elections, on both occasions with the endorsement of the Nationalist Party.

[2] For his work as deputy assistant quartermaster general, I Corps, during the campaigns in Libya, Greece and Syria in 1941, he was appointed a Member of the Order of the British Empire (1942) and mentioned in despatches.