John Glenn (1921–2016) was a United States astronaut and statesman.
John Glenn may also refer to:
People John Glenn (judge) (1795–1853), Maryland attorney and federal judge John Glenn (Alberta) (1833–1886), early Alberta settler John Thomas Glenn (1845–1899), mayor of Atlanta from 1889 to 1891 John Glenn (1870s outfielder) (1850–1888), outfielder and first baseman in Major League Baseball from 1871 to 1877 John Lyles Glenn Jr. (1892–1938), United States federal judge John Glenn (1960s outfielder) (1928–2023), outfielder in Major League Baseball in 1960. John Glenn (screenwriter) (fl. 1999–2019), American director of The Lazarus Project
Schools John Glenn Middle School of International Studies, a middle school in Indio, California John Glenn High School (disambiguation), multiple schools in the United States
Other uses USNS John Glenn (T-ESD-2) Fireboat John H. Glenn Jr. S.S. John Glenn, an Orbital-ATK Cygnus space capsule used on mission Cygnus CRS OA-7
See also John (disambiguation) Glenn (disambiguation) John Glen (disambiguation) John Glynne (disambiguation) Jonathan Glenn (born 1987), Trinidadian soccer player