Grant William Veitch Harrold (born 1978 in Airdrie, Scotland) is a British etiquette expert, former Royal butler, and broadcaster. He worked as a Butler for the Prince of Wales from 2004 to 2011. His first employers were Urs Schwarzenbach and Major Christopher Hanbury on the Ben Alder estate, where he began working in private service in 1997.

Based in Tetbury, Gloucestershire, Harrold now runs an etiquette and butler school. He also gives talks and demonstrations on afternoon tea etiquette, dinner parties etiquette and similar etiquette events. In 2014 Harrold's company Nicholas Veitch Limited alongside Blenheim Palace founded the royal butler school, The Royal School of Butlers.