Walter Lewis Brown (January 4, 1861 – October 16, 1931) was an American librarian.

Brown served as president of the American Library Association from 1916 to 1917.

[2][3] Brown led the American Library Association at the beginning of the first World War.

In that role, Brown initiated a partnership between the American Library Association and the Library of Congress to create the ALA War Service Committee.

[4] This article about a person involved with library and information science is a stub.