Kolbeinn Sigþórsson (Icelandic pronunciation: ?['k??lpei?tn? 's?x?ou?r?s?n]; born 14 March 1990) is an Icelandic professional footballer who plays as a striker for Swedish club AIK and the Iceland national team.
Before being signed by Ajax for a fee of €4.5 million in the summer of 2011, Kolbeinn came through Víkingur Reykjavik's youth program.
He then had a brief spell with HK Kópavogs in his home country and moved on to AZ Alkmaar in the Netherlands.
Before making his debut for the Icelandic national team, Kolbeinn played at under-17, under-19 and under-21 levels.
With 26 goals, he is their joint top goalscorer of all-time.