William Cochrane is the name of:
William Cochrane (MP) (died 1717), Scottish MPWilliam Arthur Cochrane (born 1926), Canadian physician, pediatrician, academic, and medical executiveWilliam Avery Cochrane (1842–1929), American politician, soldier and teacherWilliam Cochrane, 1st Earl of Dundonald (1605–1685), Earl of DundonaldWilliam Cochrane, 3rd Earl of Dundonald, Earl of DundonaldWilliam Cochrane, 5th Earl of Dundonald, Earl of DundonaldWilliam Cochrane, 7th Earl of Dundonald, Earl of DundonaldWilliam Cochrane, Lord Cochrane from Alexander Montgomerie, 9th Earl of EglintonWilliam J. Cochrane (1873–1940), British surveyor and philatelist who signed the Roll of Distinguished Philatelists in 1923