Jón Þór Ólafsson (born 13 March 1977) is an Icelandic politician.

A business administration student at the University of Iceland, he was elected to the Althing in the 2013 Icelandic parliamentary election.

He is a member of the Pirate Party Iceland.

He represented the Reykjavik Constituency South until he resigned in 2015, and was replaced by Ásta Helgadóttir.

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