William Lyman

William Lyman is the name of:


 * William Lyman (congressman) (1755–1811), U.S. Congressman from Massachusetts
 * William Lyman (inventor) (1821–1891), American inventor of a rotating-wheel can opener
 * William Whittingham Lyman (1850–1921), American winemaker in California
 * William Whittingham Lyman Jr. (1885–1983), American academic and Celtic scholar
 * William R. Lyman (1898–1972), American football player