| Brightdown | |
| Cover: | Nami tamaki-brightdown-cd-cover.jpg |
| Caption: | Brightdown (CD Only) |
| Type: | single |
| Artist: | Nami Tamaki |
| Album: | Don't Stay |
| Genre: | Japanese pop, pop rock |
| Length: | N/A |
| Label: | Sony Music Japan |
| Prev Title: | Cross Season |
| Prev Year: | 2007 |
| Next Title: | Winter Ballades |
| Next Year: | 2007 |
"Brightdown" is a single from the Nami Tamaki album Don't Stay. Brightdown was used as the 2nd opening theme to the anime D.Gray Man.