Jón Trausti Sigurðarson (born January 4, 1982) is an Icelandic marketing director and lawyer, best known for founding the Reykjavík-based, English language magazine Reykjavik Grapevine with Hilmar Grétarsson and Valur Gunnarsson.
The newspaper, which Sigurðarson helped to establish, now has a circulation of almost 50,000.