Butterfly wings

Butterfly wings or similar phrasings may refer to:
 * Lepidoptera wings, literal sense
 * butterfly effect, a proverbial illustration of the chaos-theory idea that small causes can have large effects
 * Wings of a Butterfly Nebula, name for planetary nebula M2-9
 * "Wings of a Butterfly", a 2005 song by HIM from the album Dark Light
 * Butterfly Wings (film), a 1991 Spanish drama film
 * "Butterfly Wings", a song by Machines of Loving Grace from Concentration
 * "Butterfly Wings" or "Butterfly's Wings" names for Étude Op. 25, No. 9