William Buick is a Norwegian-British flat jockey. He shared the champion apprentice jockey title in 2008 with David Probert and won the Lester Award for Apprentice Jockey of the Year in 2007 and 2008. From 2010 to 2014 he was stable jockey to John Gosden. In 2015 he signed with Godolphin. Buick won his first Group1 race in Canada in 2010 and since then has won Group 1 races in England, France, Germany, Hong Kong, Ireland, Italy, Japan, the United Arab Emirates and the United States. He has won five British Classic Races: the St Leger in 2010, 2011 and 2021, the Derby in 2018 and the 2000 Guineas in 2024.