Medea is a German-language opera by Aribert Reimann after the play by Franz Grillparzer. It was premiered at the Vienna State Opera in February 2010. The German premiere was at the Oper Frankfurt in August 2010.

Aribert Reimann was a German composer, pianist, and accompanist, known especially for his literary operas. His version of Shakespeare's King Lear, the opera Lear, was written at the suggestion of Dietrich Fischer-Dieskau, who performed the title role. His opera Medea after Grillparzer's play premiered in 2010 at the Vienna State Opera. He was a professor of contemporary Lied in Hamburg and Berlin. In 2011, he was awarded the Ernst von Siemens Music Prize for his life's work.