Isaac le Heup (c.1686–1747) of Gunthorpe, Norfolk, was a British diplomat and politician who sat in the House of Commons between 1722 and 1741 .
[1] Le Heup was returned as Member of Parliament for Bodmin as a government supporter at the 1722 general election.
In 1726 he was appointed British representative at the Diet of Ratisbon, but was expelled in April 1727 in a tit-for-tat reprisal for the expulsion of the Imperial minister from London.
In July 1727 he was sent as envoy to Stockholm, but was rude to the Prince of Wales at Hanover [2] when on his way to take up his appointment and was recalled after 17 days.
Le Heup stood unsuccessfully for Parliament for Wallingford at the 1727 general election and was eventually returned for Grampound at a by-election on 31 Jan. 1732.