William Jardine

William Jardine may refer to:

• William Jardine (merchant), Scottish surgeon and merchant, one of the founders of Jardine, Matheson & Co.
• Sir William Jardine, 7th Baronet (1800–1874), Scottish naturalist
• William Marion Jardine (1879–1959), U.S. Secretary of Agriculture (1925–1929), U.S. Ambassador to Egypt (1930–1933)
• William Murray Jardine (born 1984), 24th Chief of Clan Jardine