Cast and crew by first letter of first name:
- Kai Yang
- Kalle Sænski
- Kalman le Sage de Fontenay
- Kamilla Kaldalóns
- Kanada
- Karen Lind Ingimarsdóttir
- Karen Sigurvaldason
- Kári E. Einarsson
- Kári G. Schram
- Kári Gunnarsson
- Kári Halldór Þórsson
- Kári Pálsson
- Kári Rae Seekins
- Kári Stefánsson
- Kári Steinn Karlsson
- Kári Úlfsson
- Kári Viðarsson
- Kári Þórðarson
- Karítas K McCrann
- Karl Ágúst Guðmundsson
- Karl Ágúst Úlfsson
- Karl Ágúst Þorbergsson
- Karl Aspelund
- Karl Emil Karlsson
- Karl Erlingur Oddsson
- Karl Guðmundsson
- Karl Guðmundsson (II)
- Karl Gunnarsson
- Karl Henry
- Karl Jóhann Guðmundsson
- Karl Jónatansson
- Karl Júlíusson
- Karl Kristján Sigurðarson
- Karl Kristjánsson
- Karl Lilliendahl
- Karl Löve
- Karl Olgeirsson
- Karl Óskarsson
- Karl Pétur Jónsson
- Karl Reynir Einarsson
- Karl Sighvatsson
- Karl Sigtryggsson
- Karl Sigurðarson
- Karl Sigurðsson
- Karl Skírnisson
- Karl Smári Hreinsson
- Karl Valdimarsson
- Karl Þórisson
- Karlakórinn Fóstbræður
- Karlakórinn Heimir
- Karna Sigurðardóttir
- Karolina Boguslawska
- Karólína Stefánsdóttir
- Karsten Ray
- Kátir Piltar
- Katla Hauksdóttir
- Katla Kjartansdóttir
- Katla M. Þorgeirsdóttir
- Katla Njálsdóttir
- Katla Rut Pétursdóttir
- Katla Þórarinsdóttir
- Katla Þorsteinsdóttir
- Katrín Á. Johnson
- Katrín Björgvinsdóttir
- Katrín Björk
- Katrín Brynja Hermannsdóttir
- Katrín Brynja Valdimarsdóttir
- Katrín Hall
- Katrín Halldóra Sigurðardóttir
- Katrín Ingvadóttir
- Katrín Jakobsdóttir
- Katrin Kinga Jósepsdóttir
- Katrín Kristjánsdóttir
- Katrín Lilja Ólafsdóttir
- Katrín Lovísa Ingvadóttir
- Katrín Ólafsdóttir
- Katrín Ósk Pétursdóttir
- Katrín Óskarsson
- Katrín Óttarsdóttir
- Katrín Sara Ólafsdóttir
- Katrín Ynja Hrafnkelsdóttir
- Katrín Þórarinsdóttir
- Katrín Þorkelsdóttir
- Katrín Þorvaldsdóttir
- Ketill Larsen
- Kiddý
- Kippi Kaninus
- Kjartan Bjargmundsson
- Kjartan Dagur Hólm
- Kjartan F. Marteinsson
- Kjartan F. Ólafsson
- Kjartan Freyr Vilhjálmsson
- Kjartan Guðjónsson
- Kjartan Gunnarsson
- Kjartan Hákonarson
- Kjartan Ingvarsson
- Kjartan Jakob Hauksson
- Kjartan Kári Garðarsson
- Kjartan Kjartansson
- Kjartan Magnússon
- Kjartan Ólafsson
- Kjartan Ragnarsson
- Kjartan Sveinsson
- Kjartan Valdemarsson
- Kjartan Valdimarsson
- Kjartan Þór Þórðarson
- Kjartan Þórarinsson
- Kjartan Þorbergsson
- Klara Helgadóttir
- Klara Íris Vigfúsdóttir
- Klara J. Óskarsdóttir
- Klara Óskarsdóttir
- Klara Sól Sigurðardóttir
- Klemens Ólafur Þrastarson
- Klemenz Jónsson
- Knútur Bruun
- Knútur Magnússon
- Kolbeinn Arnbjörnsson
- Kolbeinn Guðmundsson
- Kolbeinn Gunnarsson
- Kolbrún Anna Björnsdóttir
- Kolbrún Bergþórsdóttir
- Kolbrún Edda Sigurhansdóttir
- Kolbrún Erna Pétursdóttir
- Kolbrún Hákonardóttir
- Kolbrún Hálfdánardóttir
- Kolbrún Halldórsdóttir
- Kolbrún Ívarsdóttir
- Kolbrún Jarlsdóttir
- Kolbrún Jóhannesdóttir
- Kolbrún Jóhannsdóttir
- Kolbrún María Másdóttir
- Kolbrún Ósk Skaftadóttir
- Kolbrún Sara Haraldsdóttir
- Kolfinna Álfdís Traustadóttir
- Kolfinna Baldvinsdóttir
- Kolfinna Knútsdóttir
- Kolfinna Nikulásdóttir
- Konráð Gylfason
- Konráð Gylfason (II)
- Konráð Pálmason
- Konráð Valsson
- Konstantín Mikaelsson
- Kormákur Bragason
- Kormákur Geirharðsson
- Kormákur Jarl Gunnarsson
- Kría Brekkan
- Kristberg Óskarsson
- Kristbjörg Kjeld
- Kristbjörg Sara Thorarensen
- Kristbjörg Sveinsdóttir
- Kristbjörn Helgason
- Kristbjörn Ólafsson
- Kristín Andrea Þórðadóttir
- Kristín Anna Arngrímsdóttir
- Kristín Atladóttir
- Kristín Auður Sophusdóttir
- Kristín Bára Haraldsdóttir
- Kristín Birna Garðarsdóttir
- Kristín Birna Stefánsdóttir
- Kristín Bjarnadóttir
- Kristín Björg Þorsteinsdóttir
- Kristín Björgvinsdóttir
- Kristín Björk Kristjánsdóttir
- Kristín Davíðsdóttir
- Kristín Elfa Björnsdóttir
- Kristín Erla Sigurðardóttir
- Kristín Erna Arnardóttir
- Kristín Eva Geirsdóttir
- Kristín Eysteinsdóttir
- Kristín Gísladóttir
- Kristín Gunnarsdóttir
- Kristín H. Þorsteinsdóttir
- Kristín Halldórsdóttir
- Kristín Hard
- Kristín Hauksdóttir
- Kristín Helga Gunnarsdóttir
- Kristín Helgadóttir
- Kristín Hermannsdóttir
- Kristín Hrönn Gunnarsdóttir
- Kristín Hulda Hinriksdóttir
- Kristín Ingvadóttir
- Kristín Jóhannesdóttir
- Kristín Jóhannsdóttir
- Kristín Johansen
- Kristín Jónsdóttir
- Kristín Kr. Pétursdóttir
- Kristín Kristjánsdóttir
- Kristín Le
- Kristín Lea Sigríðardóttir
- Kristín Margrét Kristmannsdóttir
- Kristín María Brink
- Kristín María Sigþórsdóttir
- Kristín Nordal
- Kristín Ólafsdóttir
- Kristín Ósk Gísladóttir
- Kristín Pálsdóttir
- Kristín Pétursdóttir
- Kristín Rós Kristjánsdóttir
- Kristín S. Kristjánsdóttir
- Kristín Sigurðardóttir
- Kristín Steinþórsdóttir
- Kristín Svanhildur Helgadóttir
- Kristín Sveinsdóttir
- Kristín Thors
- Kristín Traustadóttir
- Kristín Una Friðjónsdóttir
- Kristín Völundardóttir
- Kristín Þóra Haraldsdóttir
- Kristín Þóra Jónsdóttir
- Kristín Þórhalla Þórisdóttir
- Kristín Þorláksdóttir
- Kristinn Á. Friðbjörnsson
- Kristinn Ágúst Friðfinnsson
- Kristinn Ágúst Halldórsson
- Kristinn Ágúst Kristinsson
- Kristinn Ágústsson
- Kristinn Arason
- Kristinn Bergsveinsson
- Kristinn Daníelsson
- Kristinn Einarsson
- Kristinn Gunnarsson
- Kristinn Hákonarson
- Kristinn Hallbergsson
- Kristinn Hallsson
- Kristinn Haukur Skarphéðinsson
- Kristinn Hrafnsson
- Kristinn Ingvason
- Kristinn Jónsson
- Kristinn Jónsson (II)
- Kristinn Júlíusson
- Kristinn Kaldal
- Kristinn Karlsson
- Kristinn Már Ingvarsson
- Kristinn Már Jóhannesson
- Kristinn Óli Haraldsson
- Kristinn Óskar Haraldsson
- Kristinn Pétursson
- Kristinn Schram
- Kristinn Sigmundsson
- Kristinn Snær Agnarsson
- Kristinn Stefánsson
- Kristinn Sturluson
- Kristinn Svavarsson
- Kristinn Þeyr Magnússon
- Kristinn Þórðarson
- Kristján Ari Einarsson
- Kristján Arngrímsson
- Kristján B. Jónasson
- Kristján Björnsson
- Kristján Edelstein
- Kristján Einarsson
- Kristján Eldjárn
- Kristján Eldjárn
- Kristján Franklín Magnús
- Kristján Freyr Einarsson
- Kristján Gabríel Þórhallsson
- Kristján Geir Gunnarsson
- Kristján Gíslason
- Kristján Hafþórsson
- Kristján Hans Óskarsson
- Kristján Hjartarson
- Kristján Hreinsson
- Kristján Ingi Sigurðsson
- Kristján Jónsson
- Kristján Karlsson
- Kristján Kristjánsson
- Kristján Kristjánsson
- Kristján Kristjánsson (I)
- Kristján Leifur Pálsson
- Kristján Lindberg Björnsson
- Kristján Loðmfjörð
- Kristján Logason
- Kristján M. Grétarsson
- Kristján Magnússon
- Kristján Ó. Kristjánsson
- Kristján Ólafsson
- Kristján Ottó Hreiðarsson
- Kristján Rafn Guðnason
- Kristján Richter
- Kristján Rúnar Hauksson
- Kristján Sigurbjörnsson
- Kristján Skarphéðinsson
- Kristján Steinn Kristjánsson
- Kristján Sturla Bjarnason
- Kristján Sveinsson
- Kristján U. Kristjánsson
- Kristján Viðar Haraldsson
- Kristján Viggósson
- Kristján Zaklinski
- Kristján Örn Kristjánsson
- Kristján Þórður Hrafnsson
- Kristjana Júlía Þorsteinsdóttir
- Kristjana N. Jónsdóttir
- Kristjana Samper
- Kristjana Skúladóttir
- Kristjana Stefánsdóttir
- Kristjana Thors
- Kristjana Thors Brynjólfsdóttir
- Kristjana Vagnsdóttir
- Kristlaug María Sigurðardóttir
- Kristmann Guðmundsson
- Kristmann Óskarsson
- Kristmundur Helgi Guðmundsson
- Kristmundur Skarphéðinsson
- Kristmundur Valberg
- Kristófer Dignus
- Kristófer Karim Nadhir
- Kristófer Pétursson
- Kristrós Erla Bergmann Baldursdóttir
- Kristrún Eyjólfsdóttir
- Kristrún Heiða Hauksdóttir
- Kristrún Heimisdótir
- Kristrún Jónsdóttir
- Kristrún Lind Birgisdóttir
- Kristrún Snorradóttir
- Krummi Björgvinsson
- Kyle Guðmundsson