- interregnum - - August 11, 1465
Kettil Karlsson (Vasa) (1433 - August 11, 1465) was a Swedish clergyman and regent of Sweden under the Kalmar Union from February 1464 to August 1465, interluded by a six month interregnum of king Charles VIII of Sweden. He was also Bishop of Linköping.
He was the son of Karl Kristiernsson (Vasa) och Ebba Eriksdotter (Krummedige).