William Henry Hugh Cholmondeley, 3rd Marquess of Cholmondeley (31 March 1800 – 16 December 1884), styled Lord Henry Cholmondeley from 1815 until 1870, was a British peer and Conservative Member of Parliament.
In 1822, Cholmondeley was elected to the House of Commons for Castle Rising, a seat he held until 1832, when the constituency was abolished by the Reform Bill. He remained out of Parliament for the next twenty years. In 1852, Cholmondeley was again successful for South Hampshire, representing it for the next five years until 1857.
Cholmondeley was a member of the Canterbury Association from 27 March 1848.
In 1870, Cholmondeley succeeded to his elder brother's title as the third Marquess of Cholmondeley and entered the House of Lords.