Þormóður Árni Jónsson (often transliterated as Thormodur Arni Jonsson, born 2 March 1983 in Reykjavík) is an Icelandic judoka.[1] He competed at the 2008 Summer Olympics in the +100kg category and lost in the round of 16 to Mohammad Reza Roudaki.[1] Four years later in the 2012 Summer Olympics he again took part in the +100 kg tournament but lost in his first match to Rafael Silva.[1] [2]
He once again competed for Iceland at the 2016 Summer Olympics in Rio de Janeiro. He was defeated by Maciej Sarnacki of Poland in the round of 32.[3] He was the flagbearer for Iceland during the Parade of Nations.[4]