| Hikari no Senritsu | |
| Cover: | Kalafina_wiki_Hikari_no_Senritsu_cover300px.jpg |
| Type: | single |
| Artist: | Kalafina |
| Album: | Red Moon |
| B-Side: | sapphire |
| Released: | January 20, 2010 |
| Genre: | J-Pop |
| Label: | SME Records |
| Prev Title: | Progressive |
| Prev Year: | 2009 |
| Next Title: | Kagayaku Sora no Shijima ni wa |
| Next Year: | 2010 |
is the 7th single of Japanese girl group Kalafina. The title track is the opening theme to the anime series Sound of the Sky (So Ra No Wo To).