| Nano-Mugen Compilation 2009 | |
| Type: | compilation album |
| Artist: | Various artists |
| Cover: | NanoMugen2009.jpg |
| Released: | July 1, 2009 |
| Genre: | Alternative rock, Punk rock, Indie |
| Label: | Ki/oon/Tsutaya Records KSCL-1407 |
| Chronology: | Nano-Mugen |
| Prev Title: | Nano-Mugen Compilation 2008 |
| Prev Year: | 2008 |
| Next Title: | Nano-Mugen Compilation 2011 |
| Next Year: | 2011 |
Nano–Mugen Compilation 2009 is a compilation album released by Asian Kung-Fu Generation to advertise their eighth annual Nano-Mugen Festival held at the Yokohama Arena through July 19-20th.