Mattias Jonson (born January 16, 1974 in Kumla, Sweden) is a midfielder who plays for the Sweden national football team. In August 2004, Jonson joined the newly promoted English Premiership side Norwich City, transferring from Danish club Brøndby for an undisclosed fee. Jonson played for his country at the 2002 World Cup and Euro 2004. In 2005 he returned to Sweden and Djurgården, where he immediately won the Swedish title.