| Magic Number | |
| Type: | single |
| Artist: | Maaya Sakamoto |
| B-Side: | Private Sky |
| Released: | November 11, 2009 |
| Recorded: | 2009 |
| Genre: | J-pop |
| Label: | Victor Entertainment |
| Producer: | Maaya Sakamoto Mitsuyoshi Tamura |
| Prev Title: | Ame ga Furu |
| Prev Year: | 2008 |
| Next Title: | Down Town / Yasashisa ni Tsutsumareta Nara |
| Next Year: | 2010 |
is Maaya Sakamoto's eighteenth single. The title track was used as the opening theme for the anime Kobato. The live version of Kazamidori and Pocket wo Kara ni Shite are from her concert at Tokyo International Forum Hall A on January 24, 2009 with live arrangement by Shin Kōno.