GLAS Vocal Ensemble is a Nordic acapella group, singing folk music from the Nordic and Balkan countries. The ensemble consists of six distinct female voices, and the singers have their roots in Denmark, Norway, Sweden, Finland, The Faroe Islands, Hungary and Poland. GLAS Vocal Ensemble was founded in 2001.

The unique sound of GLAS Vocal Ensemble has earned them cooperations with some of the most respected Nordic artists, as well as support from a multitude of funds, including the national councils for the arts of the Nordic nations.