William Ewer (c. 1720 – 23 June 1789) was an English merchant, banker and politician who sat in the House of Commons between 1765 and 1789.
He was returned unopposed as Member of Parliament for Dorchester on the interest of his cousin Lord Shaftesbury, governor of the Levant Company, in a by-election in 1765.
[1] Ewer was returned unopposed as MP for Dorchester in 1780 and in 1781 succeeded Daniel Booth as Governor of the Bank of England.
In parliament he was active in advising the government on the current loan and spoke explaining and defending it.
Ewer was one of the St. Alban's Tavern group, which tried to bring together William Pitt the Younger and Charles James Fox.