Ely is a surname which may refer to:
Alfred Ely (1815–1892), American politician
Arthur V. Ely (1912–1942), United States Navy officer and Navy Cross recipient
Ben Ely (born 1970), Australian musician
Bill Ely (1869–1957), Australian politician
Bob Ely (born 1958), American entrepreneur, former investment banker and 2012 presidential candidate
Dudley Ely (1817–1895), first mayor of South Norwalk, Connecticut
Eugene Burton Ely (1886–1911), American aviation pioneer
Frederick D. Ely (1838–1921), American politician
Harold Ely (1909–1983), American football player
Harry Ely (1854–1928), American football and baseball coach
Harry Ely (baseball) (1868–1925), American baseball player
Helena Rutherfurd Ely (1858–1920), American author, amateur gardener and founding member of the Garden Club of America
Jack Ely (1943–2015), American guitarist and singer, best known for singing the Kingsmen's version of "Louie Louie"
Janet Ely (born 1953), American diver
Joe Ely (1947–2025), American singer, songwriter and guitarist
John Ely (disambiguation)
John Hart Ely (1938–2003), American legal scholar
Joseph B. Ely (1881–1956), 52nd Governor of Massachusetts
Melvin Ely (born 1978), American basketball player
Michael Ely, author
Nathaniel Ely (1605–1675), founding settler of Hartford and Norwalk, Connecticut
Ralph Ely (1820–1883), American politician and military officer from Michigan
Reginald Ely (fl. 1438–1471), English architect
Richard T. Ely (1854–1943), American economist
Richard Ely (1945–2019), American actor, singer and voice actor
Rodrigo Ely (born 1993), Brazilian-Italian footballer
Ron Ely (1938–2024), stage name of American actor Ronald Pierce
Shyra Ely (born 1983), American former Women's National Basketball Association player
Smith Ely Jr. (1825–1911), New York City mayor and member of the United States House of Representatives
Sumner Ely (1787–1857), New York politician
Talfourd Ely (1838–1923), English archaeologist and classicist
Theodore N. Ely (1846–1916), American businessman
Thomas C. Ely (1951–2025), American bishop
Townsend A. Ely (1843–1928), American politician from Michigan
Victoria Joyce Ely (1889–1979), American nurse
William Ely (disambiguation)