Costa Cordalis (Greek: Κώστας Κορδαλής; 1 May 1944 – 2 July 2019) was a German-Greek schlager singer of Greek origin.
Born Konstantinos Cordalis in Elateia, Phthiotis, Greece, Cordalis moved to Germany in 1960. His 1976 song "Anita" reached the top ten in Germany, Switzerland, and Austria. In 2004, he took part in, and won, the reality television game show Ich bin ein Star – Holt mich hier raus!. In the same year he admitted that he had a facelift in the Bodenseeklinik because he wanted to look younger. Cordalis competed for Greece in the FIS Nordic World Ski Championships 1985.
He had a son, Lucas, and two daughters, Kiki and Eva.