William Cochrane

• Alexander Montgomerie, 9th Earl of Eglinton
• Earl of Dundonald
• William Arthur Cochrane
• William Avery Cochrane
• William Cochran (disambiguation)
• William Cochrane (MP)
• William Cochrane, 1st Earl of Dundonald
• William Cochrane, 3rd Earl of Dundonald
• William Cochrane, 5th Earl of Dundonald
• William Cochrane, 7th Earl of Dundonald
• William Cochrane, Lord Cochrane
• William J. Cochrane