John Ely

John Ely may refer to:


 * John Ely (baseball) (born 1986), pitcher with the Los Angeles Dodgers
 * John Ely (representative) (1774–1849), U.S. Representative from New York


 * John Hart Ely (1938–2003), American legal scholar
 * John Ely (Iowa politician) (1919–2007), Iowa state legislator
 * John J. Ely (1778–1852), American politician in New Jersey
 * John Ely (surgeon) American Revolutinary War surgeon and colonel