Jón Magnússon

Jón Magnússon may refer to:


 * Jón Magnússon, Earl of Orkney in 1284–c. 1300
 * Jón Magnússon (author), 17th century Icelandic author
 * Jón Magnússon (politician) (1859-1926), prime minister of Iceland
 * Jón Arnar Magnússon, Icelandic decathlete
 * Jon Magnusson (producer), producer of I'm Sorry I Haven't A Clue
 * Jón Magnússon (handballer)
 * Jón Magnússon (painter), born 1966