'''Westmacott''' is a British surname. Notable people with the surname include:
*Charles Molloy Westmacott, (c.1788–1868), British journalist and author *Captain Herbert Westmacott, (1952–1980), British special forces officer killed in action *James Sherwood Westmacott, (1823–1900), British sculptor *Mary Westmacott, an alias of Agatha Christie *Mike Westmacott (1925–2012), British mountaineer *Percy G. B. Westmacott (1830–1917), British mechanical engineer *Sir Peter Westmacott (born 1950), British diplomat *Sir Richard Westmacott (1775–1856), British sculptor **Richard Westmacott (disambiguation), several people
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