William Cochran may refer to:

  • William Cochran (artist) (1738–1785), Scottish painter
  • William Cochran (Nova Scotia politician) (1751–1820), Irish-born merchant and political figure in Nova Scotia
  • William Cochran (priest) (1757–1833), Canadian clergyman and president of University of King's College
  • William Cochran (physicist) (1922–2003), British physicist
  • William Cochran (Indiana politician) (1934–2019), American politician and businessman
  • William Cochran (tenor) (1943–2022), American operatic tenor
  • William D. Cochran (1894–1951), American football player
  • (born 1950), American astronomer <!--de: William D. Cochran-->
  • William Gemmell Cochran (1909–1980), British-American statistician
  • William Granville Cochran (1844–1932), American judge and politician
  • William Thad Cochran (1937–2019), U.S. senator from Mississippi

See also

  • William Cochrane (disambiguation)