Lárus Jónsson (born 28 November 1978) is an Icelandic basketball coach and former player. He is currently the head coach of Þór Þorlákshöfn. As a player, he played several seasons in the Icelandic top-tier Úrvalsdeild karla and was a member of the Icelandic national team. In 2021 he led Þór Þorlákshöfn to its first ever national championship.