Die Feen (pronounced , The Fairies) is an opera in three acts by Richard Wagner. The German libretto was written by the composer after Carlo Gozzi's La donna serpente. Die Feen was Wagner's first completed opera, but remained unperformed in his lifetime. It has never established itself firmly in the operatic repertory although it receives occasional performances, on stage or in concert, most often in Germany. The opera is available on CD; however, it has never been available on video. Additionally, the overture has been separately recorded.

Although the music of Die Feen shows the influences of Carl Maria von Weber and other composers of the time, commentators have recognised embryonic features of the mature Wagnerian opera. The fantasy plot also anticipates themes such as redemption that were to reappear in his later works.