William L. Brown

William L. Brown may refer to:


 * William L. Brown (geneticist) (1913–1991), American geneticist
 * William L. Brown (politician) (1840–1906), Ohio and New York politician
 * William Laurence Brown (1755–1830), Scottish divine (theologian)
 * William Lincoln Brown (1862–1940), second Register of Copyrights in the United States Copyright Office
 * William Liston Brown (1842–1929), American industrialist
 * William Little Brown (1789–1830), justice of the Tennessee Supreme Court