William Lambert

William Lambert may refer to:
 * William Lambert (MP) (fl. 1529), Member of the Parliament of England
 * William Lambert (Australian politician) (1881–1928), Australian politician
 * William Lambert (cricketer, born 1779) (1779–1851), English cricketer
 * William Lambert (Middlesex cricketer) (1843–1927), English cricketer
 * William Frederick Lambert (1834–1908), member of the Queensland Legislative Council
 * William Lambert (journalist) (died 1998), American journalist
 * William Lambert (mayor) (1790–1853), mayor of Richmond, Virginia 1840–1853
 * William Lambert (writer) (fl. 1791), engrosser of the United States Bill of Rights
 * William Carpenter Lambert (1894–1982), American World War I ace
 * William Lambert (Middlesex cricketer) (1843–1927), English cricketer
 * William Frederick Lambert (1834–1908), member of the Queensland Legislative Council
 * William Lambert (abolitionist) (1817–1890), African-American citizen and abolitionist