Kristinn Jakobsson (born 11 June 1969) is an Icelandic football referee. He has been a FIFA-listed referee since 1997, but did not referee his first UEFA Champions League qualifying match until August 2001, when he took charge of a second qualifying round match between Sloga Jugomagnat and Steaua Bucure?ti. He then refereed a UEFA Cup second round match between Litex Lovech and Union Berlin at the end of October 2001.
In 2008, Jakobsson was named as a fourth official for UEFA Euro 2008, He officiated his first Champions League group stage match on 26 November 2008, taking charge of Shakhtar Donetsk's 5-0 home win over Basel. This made him the first Icelandic referee to officiate in the UEFA Champions League.
When not refereeing, Jakobsson works as the manager/owner of a food company.