Barr Smith may refer to:
People Robert Barr Smith (1824–1915), Australian businessman and philanthropist Tom Elder Barr Smith (1863–1941), South Australian pastoralist and philanthropist Sir Tom Elder Barr Smith (1904–1968), South Australian pastoralist and businessman
Other Barr Smith Library of the University of Adelaide Mount Barr Smith, Antarctica, named in 1912 by Douglas Mawson after Robert Barr Smith