John Colville, 1st Baron Clydesmuir

Colonel The Right Honourable The Lord Clydesmuir GCIE PC
John Colville as Governor of Bombay with Lady Colville. Photo by Cecil Beaton
Governor of Bombay
In office 24 March 1943 – 5 January 1948
Preceded by	Roger Lumley
Succeeded by	Raja Maharaj Singh
Secretary of State for Scotland
In office 6 May 1938 – 10 May 1940
Prime Minister	Neville Chamberlain
Preceded by	Walter Elliot
Succeeded by	Ernest Brown
Financial Secretary to the Treasury
In office 29 October 1936 – 6 May 1938
Prime Minister	Stanley Baldwin Neville Chamberlain
Preceded by	William Morrison
Succeeded by	Euan Wallace
Under-Secretary of State for Scotland
In office 28 November 1935 – 29 October 1936
Prime Minister	Stanley Baldwin
Preceded by	Noel Skelton
Succeeded by	Henry Scrymgeour-Wedderburn
Member of Parliament for Midlothian and Peebles Northern
In office 30 May 1929 – January 1943
Preceded by	Andrew Clarke
Succeeded by	Sir David King Murray

Colonel David John Colville, 1st Baron Clydesmuir GCIE PC (13 February 1894 – 31 October 1954) was a Scottish Unionist politician, and industrialist. He was director of his family's steel and iron business: David Colville & Sons.

The only son of John Colville MP, of Cleland, Lanarkshire, he was educated at Charterhouse and at Trinity College, Cambridge.

He served in World War I with the 6th Battalion of the Cameronians (Scottish Rifles), and was wounded.

He was unsuccessful National Liberal candidate for Motherwell at the 1922 General election. He was unsuccessful again at a by-election in January 1929 for Midlothian and Peebles Northern, but won the seat the general election in May 1929, remaining as the constituency's Member of Parliament (MP) until 1943. He served in the National Government as Parliamentary Secretary to the Department of Overseas Trade from 1931 to 1935, as Under-Secretary of State for Scotland from 1935 to 1936, as Financial Secretary to the Treasury from 1936 to 1938 and as Secretary of State for Scotland from 1938 until 1940.