Beardsley is an English surname. Notable people with the surname include:
Albert R. Beardsley, builder of Albert R. Beardsley House in Elkhart, Indiana
Alfred Beardsley, memorabilia dealer involved in the O. J. Simpson robbery case
Allenby Beardsley, fictional Mobile Fighter G Gundam character
Aubrey Beardsley (1872–1898), English illustrator and poet
Bartholomew Crannell Beardsley (1775–1855), Canadian lawyer, judge and politician
Chris Beardsley (b. 1984), English footballer
Craig Beardsley, American swimmer
Dick Beardsley (b. 1956), American marathon athlete in the 1980s
Don Beardsley (b. 1946), Scottish footballer
Doug Beardsley (b. 1941), Canadian poet and educator
Eben Edwards Beardsley (1808–1892), American clergyman
Fred Beardsley (1856–1929), English footballer associated with the foundation of Arsenal F.C.
Grenville Beardsley, Illinois Attorney General for 1959–1960
Helen Beardsley (1930–2000), American mother and writer
Henry M. Beardsley (1858–1938), Mayor of Kansas City
Jason Beardsley (b. 1989), English footballer
John Beardsley (1732–1809), clergyman
John Beardsley (New York) (1783–1857), New York politician
Keith Beardsley, former New Zealand sprinter
Levi Beardsley (1785–1857), New York lawyer and politician
Melville W. Beardsley (1913–1998), American inventor and aeronautical engineer
Monroe Beardsley (1915–1985), American philosopher
Peter Beardsley (b. 1961), English footballer
Ralph Beardsley (1891–1920), American racecar driver
Samuel Beardsley (1790–1860), New York lawyer and politician
William Beardsley (1605–1661), one of the founding settlers of Stratford, Connecticut
William S. Beardsley, Governor of Iowa 1949-1954
