William Beardsley

William Beardsley may refer to:
 * William Beardsley (politician) (born 1942), American politician from Maine
 * William Beardsley (settler) (1605–1661), one of the first settlers of Stratford, Connecticut
 * William J. Beardsley (1872–1934), American architect
 * William S. Beardsley (1901–1954), American politician
 * William H. Beardsley (1850-1925), Arizona pioneer and irrigation engineer.