Fjärilar i magen is the seventh studio album by Swedish singer/songwriter Darin, released on 25 September 2015 by his own record label Dex Music and distributed by Sony Music. It is the first album by Darin to entirely consist of Swedish songs. The album peaked at number one on the Swedish Albums Chart and was certified platinum.

Darin Zanyar, known simply as Darin, is a Swedish pop singer and songwriter born in Stockholm. He is one of Sweden's best-selling artists with eight number one albums.