William W. Campbell may refer to: William Wallace Campbell (1862–1938), American astronomer William W. Campbell (New York congressman) (1806–1881), US congressman from New York William Wildman Campbell (1853–1927), Ohio politician William Wilfred Campbell (1858–1918), Canadian poet William Whitmore Campbell (1870–1934), American lawyer and politician from New York William W. Campbell (Schenectady County, NY), New York assemblyman 1921, in 144th New York State Legislature
See also William Campbell (disambiguation)