Richard Grosvenor, 1st Earl Grosvenor (; 18 June 1731 – 5 August 1802), known as Sir Richard Grosvenor, Bt between 1755 and 1761 and as The Lord Grosvenor between 1761 and 1784, was a British peer, racehorse owner and art collector.
He was created Baron Grosvenor in 1761 and in 1784 became both Viscount Belgrave and Earl Grosvenor.
Author: Joshua Reynolds (attrib.) Source: Newton, Diana; Lumby, Jonathan, The Grosvenors of Eaton, Eccleston, Cheshire: Jennet Publications, p. 16, ISBN 1-9543379--5 License: CC-PD-Mark PD Old