| Diamond Hall | |
| Native Name: | ダイアモンドホール |
| Native Name Lang: | ja |
| Former Names: | Club Diamond Hall Flex Hall Unryu Hall |
| City: | Nagoya |
| Country: | Japan |
| Capacity: | 1,014 |
| Opened: | 1992 |
is a 1,014-capacity live music venue located in Naka-ku, Nagoya, Japan. Since opening in 1992 it has hosted notable artists, such as Green Day, Sheryl Crow, Anthrax, UFO, Night Ranger, Megadeth, Tool, Porcupine Tree, Cheap Trick, Band-Maid and Sonic Youth.[1] [2]