Jón Einarsson Gústafsson is an Icelandic-Canadian film director, screenwriter, producer, and photographer, born in Akranes, Iceland.

He is best known for the award winning films:

• Wrath of Gods (2007) — an award-winning documentary about the troubled Icelandic production of Beowulf & Grendel, starring Gerard Butler and directed by Sturla Gunnarsson. Gustafsson directed, wrote, produced, edited and shot the documentary.
• Anorgasmia / All the Things We Do to Survive (2025) — his more recent feature, which he wrote, directed and produced with Karolina Lewicka. 

He studied filmmaking in Manchester and directing for theatre and cinema at California Institute of the Arts(CalArts), mentored by celebrated Ealing Studios director Alexander Mackendrick.

Jon is also a photographer, particularly known for aerial landscape photography of Iceland, done in collaboration with pilot Fridgeir Gudgjonsson and Reykjavik Helicopters.