John Dennistoun (19 March 1803 – 9 September 1870)[1] was a British Whig politician and banker.
[2] A member of Brooks's, he was elected Whig MP for Glasgow at a by-election in 1837—caused by the resignation of James Oswald—and held the seat until 1847 when he was defeated.
[2][3] His wife Frances was the daughter of Sir Henry Onslow.
His brother Alexander Dennistoun was Whig MP for Dunbartonshire from 1835 to 1837.
This article about a Liberal Member of the Parliament of the United Kingdom is a stub.