Jón Magnússon

Jón Magnússon may refer to:

• Jon Magnusson, Earl of Orkney in 1284–c. 1300
• Jón Magnússon (author), 17th century Icelandic author
• Jón Magnússon (politician), 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)