John Speed (1542–1629) was an English cartographer and historian.

John Speed may also refer to:

John Speed (martyr) (died 1594), English Roman Catholic martyr John James Speed (1803–1867), American farmer, merchant, politician, and pioneer in telegraphy John Speed (Kentucky), judge and owner of Farmington in Louisville, Kentucky, and father of Joshua Fry Speed and James Speed Police Sergeant John Richard Speed, 1984 (shot dead; posthumously awarded the Queen's Commendation for Brave Conduct)

See also John Speed Smith (1792–1854), U.S. Representative