Magnus August Høiberg (born November 29, 1987), best known under the artist name Cashmere Cat, is a Norwegian musician, producer and DJ and turntablist (representing Norway in the DMC World DJ Championships as DJ FINAL 2006–09). He appeared on the international electronic dance music scene in 2012, with remixes and edits of songs by Lana Del Rey, 2 Chainz and Jeremih.

Cashmere Cat's debut EP Mirror Maru was released in October 2012 on the Belgian Pelican Fly label. Cashmere Cat's take on R&B, futuristic hip-hop and bass music gained support from electronic music notables such as Hudson Mohawke, Rustie and Gilles Peterson. The EP's title track, "Mirror Maru", was included on the Grand Theft Auto V soundtrack in 2013.

In October 2012, Cashmere Cat's edit of 2 Chainz' "No Lie" was ranked by the influential VIBE music magazine as #1 on a list of "25 Awesome Genre-Benders of 2012". Benny Blanco invited him to Los Angeles in January 2013, to collaborate on studio production work and to give his first US concerts as Cashmere Cat.

In the summer of 2013, Høiberg moved from Norway to Manhattan. He currently works with Benny Blanco, LidoLido and artists like Jeremih, Miguel and Wiz Khalifa, and also does live performances at festivals and clubs in the US, Europe and Australia. Cashmere Cat's Wedding Bells EP was released by the Glasgow-based LuckyMe label in February 2014.

Cashmere Cat appears as featured artist and producer on Ariana Grande's chart-topping 2014 album My Everything. He was also one of the opening acts on Grande's 2015 world tour The Honeymoon Tour. On March 2, 2015, Cashmere Cat released his next single "Adore", which features vocals from Ariana Grande, becoming their second collaboration. Cashmere Cat performed the song during The Honeymoon Tour.

The track "Wolves" from Kanye West's SWISH, planned for release in 2015, is produced by Cashmere Cat and Sinjin Hawke.