| Serious Japanese | |
| Type: | studio |
| Artist: | Teriyaki Boyz |
| Cover: | Serious Japanese.jpg |
| Genre: | Hip hop |
| Label: | |
| Producer: |
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| Prev Title: | Beef or Chicken |
| Prev Year: | 2005 |
Serious Japanese is the second studio album by Japanese hip-hop group Teriyaki Boyz. Released on February 3, 2009, it peaked at number 3 on the Oricon Albums Chart.