Koza Mostra is a Greek rock band made up of Elias Kozas, Stelios Siomos, Christos Kalaitzopoulos, Dimitris Christonis, Vasilis Nalmpantis and Alexis Archontis.
They represented their home country in the Eurovision Song Contest 2013 in Malmö with the song "Alcohol Is Free" alongside singer Agathonas Iakovidis. Successfully qualifying from the second semifinal, they finished in 6th place in the final with 152 points.