William Jardine

• William Jardine (merchant), Scottish surgeon and merchant, one of the founders of Jardine, Matheson & Co.
• Sir William Jardine, 7th Baronet, Scottish naturalist
• William Marion Jardine, U.S. Secretary of Agriculture, U.S. Ambassador to Egypt
• William Murray Jardine, 24th Chief of Clan Jardine
• William Jardine, editor of the ''Farmer's Almanac''