Born in Ukraine Oksana Dyka graduated at the Kiev Conservatory in 2004. From 2003 to 2007 she was the main soloist at the Ukraine National Opera of Kiev. In 2003 she won the prize of the Marseilles International Opera competition which landed her the part of Tosca at the National Opera of Montpellier in march 2005. Also in 2005 Oksana obtained a great success as Tosca at the Estonian National Opera in Tallinn. In August of the same year she took part in the same production at the Dalhalla Opera Festival in Sweden. She made her debut as Desdemona in Verdi's Otello at the Estonian National Opera.