Kåre Christoffer Vestrheim (born 1969) is a Norwegian record producer, musician and composer from Sarpsborg, Norway.
He is also the co-founder of Propeller Recordings, which has released albums for the artists Hanne Hukkelberg, Superfamily, Katzenjammer, Moddi, Team Me and Highasakite.
He then began producing records, and has from his studio Propeller Music Division produced several primarily Norwegian artists' albums, including Odd Nordstoga (Luring (2004)), Gåte (Iselilja (2004)), Marit Larsen (Under the Surface, (2006), The Chase (2008) and Spark, (2011)), Motorpsycho (Heavy Metal Fruit (2009)), Åge Aleksandersen (Furet værbitt (2011)), Ida Jenshus (Someone to Love (2012) and Highasakite (Silent Treatment) (2014)).
He received Gammleng-prisen in 2009 for "Best Studio Musician" and Spellemannprisen 2011 for "Record Producer of the Year".
He also received Kanonprisen 2015 for "Best Film Score" for the movie Knutsen & Ludvigsen og den fæle Rasputin.