John Colville, 1st Baron Clydesmuir

David John Colville, 1st Baron Clydesmuir, GCIE, PC (13 February 1894 – 31 October 1954), was a Scottish Unionist politician, colonial administrator, and industrialist.

He was director of his family's steel and iron business, David Colville & Sons as well as the final Governor of Bombay.

Switching to the Conservative Party, Colville 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.

On his return from India he was raised to the peerage as Baron Clydesmuir, of Braidwood in the County of Lanarkshire.

His son, Ronald Colville, 2nd Baron Clydesmuir, served as Governor of the Bank of Scotland.

The Baron and his wife as governor and vice-regal consort of Bombay (now Mumbai )