Jón Þór Ólafsson
- Date of Birth: March 13th, 1977
- Party: Pirate Party
- Member of Althingi for the Reykjavík South Constituency 2013-2015 and for the Southwest Constituency since 2016.
- Deputy Speaker of Althingi since 2016.
- Deputy Chairman of the parliamentary group of the Pirate Party 2014-2015.
Chairman of the Pirate Party 2013-2014.
- Member of the Constitutional and Supervisory Committee since 2017 and 2013 (2nd Deputy Chairman 2013).
- Member of the Environment and Communications Committee 2013-2015.
- Member of the Special Committee on the Standing Orders of Althingi 2013-2015.