| Nocturnal Opera | |
| Type: | Album |
| Artist: | Moi dix Mois |
| Cover: | Nocturnal Opera.jpg |
| Released: | July 20, 2004 |
| Genre: | Symphonic metal |
| Length: | 40:01 |
| Producer: | Mana |
| Prev Title: | Dix Infernal |
| Prev Year: | 2003 |
| Next Title: | Beyond the Gate |
| Next Year: | 2006 |
Nocturnal Opera is an album released by Moi dix Mois on July 20, 2004. It was also released in Europe as a 2CD digipack, with the other CD containing a collection of the singles released by Moi dix Mois. A 2CD Jewel Case was also released in Europe.
All songs written by Mana.