William Muir (1819–1905) was a Scottish Orientalist and colonial administrator.
William Muir may also refer to:
William Muir (coach) (1895–1967), American football, basketball, and baseball coach William Muir (cricketer) (1907–1964), Australian cricketer Willie Muir (1877–?), Scottish footballer William Muir (divine) (1787–1869), Scottish minister, Moderator of the General Assembly of the Church of Scotland in 1838 William H. Muir (1902–1964), American sculptor William Muir (writer) (born 1967), British writer See also Bill Muir (born 1942), former American football coach Billy MacKinnon (William Muir MacKinnon, 1852–1942), Scottish footballer W. H. M. Lowe (William Henry Muir Lowe, 1861–1944), British Army officer