William George Arthur Ormsby-Gore, 4th Baron Harlech (1885 - 1964), British Conservative politician and banker.
Ormsby-Gore was MP for Stafford, 1918 to 1938, when he was elevated to the peerage on the death of his father. Parliamentary under-secretary to the Colonies 1922-9 (with a brief interruption during the short lived Labour government of 1924). He was Colonial Secretary 1936-8 under Neville Chamberlain. During World War II he was British high commissioner in South Africa (1941-4).
After retiring from the Commons he served on the board of Midland Bank, owner of a banking house founded by his family.
His son, the fifth baron, followed him into politics and served as British ambassador to Washington in the 1960's.
|- style="text-align: center;"
| width="30%" |Preceded by:
The Marquess of Londonderry
| width="40%" style="text-align: center;" |First Commissioner of Works
1931–1936
| width="30%" |Succeeded by:
Earl Stanhope
|- style="text-align: center;"
| width="30%" |Preceded by:
James Henry Thomas
| width="40%" style="text-align: center;" |Secretary of State for the Colonies
1936–1938
| width="30%" |Succeeded by:
Malcolm MacDonald
