| Num-Heavymetallic | |
| Type: | studio |
| Artist: | Number Girl |
| Border: | yes |
| Label: | Toshiba EMI |
| Producer: | Dave Fridmann |
| Prev Title: | Sappukei |
| Prev Year: | 2000 |
Num-Heavymetallic is the fourth and final studio album by Japanese rock band Number Girl, released on April 26, 2002. It peaked at number 91 on the Oricon Albums Chart.