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