Sir John Moore Caldicott KBE CMG (12 February 1900 – 31 January 1986) was a Rhodesian government minister.

His paternal grandfather was John William Caldicott, the Rector and Dean of Shipston-on-Stour and the headmaster of Bristol Grammar School.

After coming of age, Caldicott enlisted as a Private (Cadet) in the Royal Air Force on 22 April 1918 and undertook his training during the final months of the war, before being placed on the reserve on 11 March 1919.

[1] Following the end of his war service, on 4 March 1921 Caldicott, at the age of 21, sailed from London aboard the British India steamship SS Nevasa for Mombasa, Kenya Colony.

However, by 1925 he had returned to England, and on 2 October 1925 departed Southampton aboard the Union-Castle steamship RMS Briton for Cape Town, to settle as a tobacco farmer in the Umvukwes District of Southern Rhodesia.