Baron Londesborough, of Londesborough in the East Riding of the County of York, is a title in the Peerage of the United Kingdom. It was created in 1850 for the diplomat and Whig politician Lord Albert

Henry Burton Conyngham, 1st Marquess Conyngham,, known as The Lord Conyngham between 1787 and 1789, as The Viscount Conyngham between 1789 and 1797 and as The Earl Conyngham between 1797 and 1815, was