John Muir (1838–1914) was a Scottish-born American environmentalist and author.
John Muir may also refer to:
John Muir (engineer) (1918–1977), American engineer and authorJohn Muir (footballer, born 1903), Scottish footballer (Dumbarton FC)John Muir (footballer, born 1947), Scottish footballer (St Johnstone FC)John Muir (indologist) (1810–1882), British linguistJohn Muir (judge) (fl. c. 2000), judge within the Supreme Court of Queensland, AustraliaJohn Muir (South African naturalist) (1874–1947), Scottish-born South African physician, naturalist and historianJohn Kenneth Muir (born 1969), American authorJohn Ramsay Muir (1872–1941), British Liberal Member of Parliament (1923–1924)John William Muir (1879–1931), British journalist and Member of Parliament (1922–1924)John Muir College, an undergraduate college of the University of California, San DiegoJohn Muir Wilderness, CaliforniaJohn Muir National Historic Site, in the San Francisco Bay area, CaliforniaJohn Muir Trail, CaliforniaJohn Muir Parkway, part of California State Route 4John Muir Trail (Tennessee)John Muir Trust, a Scottish charityJohn Muir Country Park, East Lothian, ScotlandJohn Muir Way, a coastal path in East LothianJohn Muir Award (disambiguation), various environmental awardsMuir Middle School (disambiguation), mostly schools named John MuirJohn Muir Health, a health care serviceJohn Muir Branch Library, Los Angeles 