Beardsley is an English surname. Notable people with the surname include:
Albert R. Beardsley, builder of Albert R. Beardsley House in Elkhart, IndianaAlfred Beardsley, memorabilia dealer involved in the O. J. Simpson robbery caseAllenby Beardsley, fictional Mobile Fighter G Gundam characterAubrey Beardsley (1872–1898), English illustrator and poetBartholomew Crannell Beardsley (1775–1855), Canadian lawyer, judge and politicianChris Beardsley (b. 1984), English footballerCraig Beardsley, American swimmerDick Beardsley (b. 1956), American marathon athlete in the 1980sDon Beardsley (b. 1946), Scottish footballerDoug Beardsley (b. 1941), Canadian poet and educatorEben Edwards Beardsley (1808–1892), American clergymanFred Beardsley (1856–1929), English footballer associated with the foundation of Arsenal F.C.Grenville Beardsley, Illinois Attorney General for 1959–1960Helen Beardsley (1930–2000), American mother and writerHenry M. Beardsley (1858–1938), Mayor of Kansas CityJason Beardsley (b. 1989), English footballerJohn Beardsley (1732–1809), clergymanJohn Beardsley (New York) (1783–1857), New York politicianKeith Beardsley, former New Zealand sprinterLevi Beardsley (1785–1857), New York lawyer and politicianMelville W. Beardsley (1913–1998), American inventor and aeronautical engineerMonroe Beardsley (1915–1985), American philosopherPeter Beardsley (b. 1961), English footballerRalph Beardsley (1891–1920), American racecar driverSamuel Beardsley (1790–1860), New York lawyer and politicianWilliam Beardsley (1605–1661), one of the founding settlers of Stratford, ConnecticutWilliam S. Beardsley, Governor of Iowa 1949-1954