The Vertavo String Quartet is a Norwegian string quartet, founded in Hamar in 1984. The four women forming the quartet are violinists Øyvor Volle and Berit Cardas, violist Henninge Landaas, and cellist Bjørg Lewis.
In addition to their classical performances, they have participated on several crossover projects, like the jazz suite Vertavo, written 1995 by Norwegian conemporary composer Jon Larsen for the Vertavo String Quartet together with Hot Club de Norvège. The project was nominated for the Norwegian Spellemannprisen award (the local Grammy).