Pétur Georg Markan (born 16 February 1981) is an Icelandic theologian, politician and former footballer. He played for several seasons in the Icelandic top-tier Úrvalsdeild karla for Fjölnir, Valur and Víkingur. In 2013, he was a member of Alþingi for the Social Democratic Alliance. Pétur was the mayor of Súðavík from 2014 to 2019 when he was hired as the communications manager of the Church of Iceland. In April 2021, he left the Social Democratic Alliance after having been a member for 22 years and joined the Liberal Reform Party.