Jonas Søndberg Thorsen (born 19 April 1990) is a Danish professional footballer who plays for AC Horsens as a right back. In 2008, he was on trial with Austrian powerhouse Red Bull Salzburg, where the later head-coach of Viborg FF, Lars Søndergaard, was leading the club's talents. Thorsen signed with Viborg FF in August 2009 after spending a season partly with AGF reserves, and since January 2009 on a professional contract.
