Kjartan Lauritzen

{{Infobox musical artist

| background = person

| image = Kjartan-Lauritzen TonsOfRock-2025-2.jpg

| caption = At the Tons of Rock festival, Oslo, 2025
Photo: Birgit Fostervold

| birth_name = Per Áki Sigurdsson Kvikne

| birth_date = {{Birth date and age|1995|01|12|df=y}}

| birth_place = Balestrand, Sogn og Fjordane, Norway

}}

Per Áki Sigurdsson Kvikne (born 12 January 1995), known professionally as Kjartan Lauritzen, is a Norwegian musician.{{Store norske leksikon|title=Kjartan Lauritzen|editor1-first=Espin|editor1-last=Tørset|date=16 November 2024|access-date=21 March 2025}}

Lauritzen owns the Balestrand Hotel with his girlfriend Randi Sognnæs Aamot.{{Cite news |last=Bye |first=Carolina M. |date=4 July 2023 |title=Kjartan Lauritzen: – Vi er blitt sterkere som par |trans-title=Kjartan Lauritzen: "We have become stronger as a couple" |url=https://www.klikk.no/underholdning/kjartan-lauritzen-vi-er-blitt-sterkere-som-par-7301420 |access-date=21 March 2025 |work=Klikk |language=no}} They met at Høyanger High School.{{Cite news |title=Karriereprat: Randi vil få kjekke ting til å skje |trans-title=Career Talk: Randi wants to make cool things happen |url=https://www.framtidsfylket.no/artikler/randi |access-date=21 March 2025 |work=Framtidsfylket}}