"Love Rainbow" (stylized as Løve Rainbow) is a song recorded by Japanese boy band Arashi, for their tenth studio album, Beautiful World (2011). It was released as a CD single on 8 September 2010 under the record label J Storm. "Love Rainbow" was used as the theme song for member, Jun Matsumoto's starring drama Natsu no Koi wa Nijiiro ni Kagayaku.