Roualeyn Robert Hovell-Thurlow-Cumming-Bruce, 9th Baron Thurlow (born 13 April 1952), is a British hereditary peer and chartered surveyor and a former member of the House of Lords who sat as a crossbencher.
He was elected to sit in the House at a crossbench hereditary peers' by-election on 3 February 2015, following the resignation of Lord Chorley.
He married Bridget Anne Julia Ismay Cheape on 5 May 1980, the daughter of Hugh Bruce Ismay Cheape, of Fossoway Lodge, Kinross. They have four children:
The Hon. Nicholas Edward Hovell-Thurlow-Cumming-Bruce (born 1986);
The Hon. Iona Tessa Bridget Hovell-Thurlow-Cumming-Bruce (born 1987);
The Hon. George Patrick Roualeyn Hovell-Thurlow-Cumming-Bruce (born 1990);
The Hon. Lorna Belinda Hovell-Thurlow-Cumming-Bruce (born 1991).
His ancestors include Mary Catherine Bolton (1791–1840), a notable actress, and her husband, Edward Hovell-Thurlow, 2nd Baron Thurlow (1781–1829), a minor poet.