William Murdoch (1754–1839) was a Scottish engineer and inventor.

William Murdoch may also refer to:

  • William Murdoch (bishop) (born 1949), American Anglican bishop
  • William Murdoch (pianist) (1888–1942), Australian concert pianist
  • William Murdoch (poet) (1823–1887), Canadian poet
  • William Murdoch (politician) (1904–1984), Speaker of the Ontario Legislature, 1960–1963
  • William Gordon Burn Murdoch (1862–1939), Scottish painter, travel writer and explorer
  • William McMaster Murdoch (1873–1912), RMS Titanic First Officer
  • William W. Murdoch (born 1939), professor of population ecology at the University of California, Santa Barbara
  • W.C.W. Murdoch (1914–1987), Scottish rugby player
  • Billy Murdoch (1854–1911), Australian cricket's greatest batsman of the 19th century
  • Billy Murdoch (footballer) (born 1949), Scottish footballer for Stenhousemuir and Kilmarnock

In fiction

  • Detective William Murdoch, the investigator in Murdoch Mysteries

See also

  • William Murdock (c. 1720–1769), Maryland colonial rights proponent