William Braithwaite

William Braithwaite may refer to:
 * William Stanley Braithwaite (1878–1962), African-American writer, poet, literary critic, anthologist, and publisher
 * William Charles Braithwaite (1862–1922), British historian
 * William Garnett Braithwaite (1870–1932), British Army officer
 * William Thomas Braithwaite (1844–1918), Northern Irish businessman, freemason, and marksman