"Hi! Hi! Hi!" is a 1986 song performed by German pop singer Sandra. It was written by Michael Cretu, Hubert Kemmler and Klaus Hirschburger, and produced by Cretu and Armand Volker. The song was released as the second single from Sandra's second solo album, Mirrors, in autumn 1986. It was commercially successful, reaching the Top 10 in Germany, and the Top 20 in Austria, France and Switzerland. It also peaked on the airplay chart in Austria at No. 11. and in Germany at No. 12. A new remix of the song was included on Sandra's 2006 retrospective Reflections.