Jón Ólafsson

• Jón Ólafsson of Grunnavík, Icelandic scholar
• Jón Ólafsson (journalist), Icelandic editor, journalist, and poet
• Jón Ólafsson (traveller), Icelandic traveller to the East Indies
• Jón Axel Ólafsson, Icelandic radio personality, producer and manager
• Jón Þór Ólafsson, Icelandic politician
• Jón Ólafsson (athlete), Icelandic Olympic athlete