Colonel Sir Lionel George Archer Cust CBE (6 June 1896 – 22 May 1962) was a British civil servant, art historian, and General Secretary of the Royal Empire Society.
He was educated at Eton and joined the Royal Artillery.
He was a member of the Mandatory Palestine Civil Service from 1920-36.
From December 1928 he was the Private Secretary to the High Commissioner of Palestine.
[2] Cust is notable for authoring the best known summary of the Status quo of Holy Land sites in 1929: The Status Quo in the Holy Places.