Cantus is a Norwegian women's choir founded in 1986. It consists of around 30 amateur singers, and is based in Trondheim. Their director is Tove Ramlo-Ystad.

Despite being an amateur choir, they keep holding a very good international standard, and have shown this through winning several competitions through the years.

Cantus won the 1st Xinghai Prize International Choir Championships in Guangzhou, China (2012), and is ranked as number 1 in their class, and 8th best in the world, on the webpages of interkultur.com.

In 2013, Cantus appeared on the soundtrack of the Disney animated movie Frozen, with a Sámi inspired piece written by Frode Fjellheim and movie composer Christophe Beck. In 2019, Cantus appeared again on the soundtrack of Frozen II.