Paul Le Mesurier (23 February 1755 – 9 December 1805) was a Guernsey-born merchant, ship-owner, director of the East India Company, a Member of Parliament, an Alderman of London, and the Lord Mayor of London (1793–94).
In 1776 he went into partnership with his wife's uncle, Noah Le Cras, a London merchant.
During the American War of Independence the firm had a very profitable business as prize agents.
[2] Le Mesurier was an insurance broker and underwriter at Lloyd's of London.
Le Mesurier was also elected in 1784 to represent Southwark in the British Parliament, retaining the seat until 1796.