| Uninstall | |
| Cover: | Chiaki Ishikawa - Uninstall.jpg |
| Type: | single |
| Artist: | Chiaki Ishikawa |
| Album: | Boku wa Mada Nani mo Shiranai |
| A-Side: | Uninstall |
| B-Side: | Little Bird |
| Genre: | Pop rock, anison |
| Label: | Victor Entertainment |
| Prev Title: | Namida |
| Prev Year: | 2005 |
| Next Title: | 1/2 (Hanbun) |
| Next Year: | 2005 |
is a single by Japanese singer-songwriter Chiaki Ishikawa. "Uninstall" and "Little Bird" are known as the theme songs for the anime . "Uninstall" reached the number 13 spot on the Oricon's weekly charts, remaining on the charts for a total of 16 weeks.[1]
"Uninstall"'s popularity in the Japanese Internet communities led to its constant inclusion in the Kumikyoku Nico Nico Douga mashups.