Sir Horace Archer Byatt GCMG (22 March 1875[1] – 8 April 1933)[2] was a British colonial governor.

In the early part of his career he served in Nyasaland, British Somaliland, Gibraltar and Malta.

He was appointed commissioner and commander-in-chief of British Somaliland in 1911, serving until 1914, when he became Colonial Secretary in Gibraltar.

[6] In Tanganyika he was responsible for the transfer of power between the Germans and the British, following World War I. Byatt was noted as a liberal governor with sympathies towards African interests.

[12] He married Olga Margaret Campbell of Argyll in 1924 and they had three sons:[13] Byatt died 8 April 1933 in London, aged 58.