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 Revolutionary War surgeon and colonel