Thierry Gueorgiou (French pronunciation: ?[tj??i ????u]; born 30 March 1979) is a French orienteer who has won more than 20 gold medals in international competitions, including the World Orienteering Championships (WOC) middle distance event eight times: 2003–2005, 2007–2009, 2011 and 2017.
In November 2016 it was announced he will become the Swedish national team head coach following the 2017 World Championships.