Arnar Freyr Jónsson (born June 25, 1983 in Reykjavík) is an Icelandic basketball player and a former member of the Icelandic national basketball team.
He played 15 seasons in the Úrvalsdeild karla and won the Icelandic championship four times and the Icelandic Basketball Cup three times.In August 2012, Arnar joined BC Aarhus.
On September 22, 2012, he set the Basketligaen single game record for assists when he had 16 for BC Aarhus against Aalborg Vikings.Arnar Freyr currently plays for Division II club Njarðvík-b.