Daniel Nicholas Mosley, 4th Baron Ravensdale, 8th Baronet, CEng, MIMechE[1] (born 10 October 1982), is a British hereditary peer and crossbench member of the House of Lords.

[2] His paternal great-grandfather was Oswald Mosley, leader and founder of the British Union of Fascists.

He attended the University of Sheffield and graduated with a first-class honours degree in aerospace engineering.

[1] On 27 March 2019, Ravensdale won a crossbench hereditary peers' by-election, succeeding Viscount Slim in the House of Lords.

[3] In his election statement, he had pledged to "champion the Midlands and commit to regular attendance alongside [his] consultancy work, benefiting the House by maintaining [his] expert knowledge of engineering and industry".