Louis Austin (1898–1971) was an American journalist, civic leader and social activist.
Louis Austin may also refer to:
Louis Daly Irving Austin (1877–1967), New Zealand pianist Louis Frederic Austin (1852–1905), British journalist Louis Winslow Austin (1867–1932), American physicist Louis Tomlinson, born Louis Troy Austin, English singer-songwriter
See also Louie Austen, Austrian crooner