| Mugen | |
| Type: | single |
| Artist: | Porno Graffitti |
| Album: | Worldillia |
| Released: | May 15, 2002 |
| Genre: | Rock |
| Length: | 18:36 |
| Label: | SME Records |
| Prev Title: | 'Shiawase ni tsuite Honki Dashite Kangaete Mita' |
| Prev Year: | 2002 |
| Next Title: | 'Uzu' |
| Next Year: | 2003 |
Mugen is the ninth single by the Japanese pop-rock band Porno Graffitti. It was released on May 15, 2002.[1] The title has two different meanings: "infinity" (無限 mugen) and "fantasy" (夢幻 mugen). These two words are homonyms. 2002 FIFA World Cup NHK theme song and image song.