| Yasei no Energy | |
| Cover: | B'z YNE.jpg |
| Type: | single |
| Artist: | B'z |
| Album: | Big Machine |
| Released: | July 16, 2003 |
| Genre: | Hard rock |
| Length: | 7:39 |
| Label: | Vermillion Records |
| Producer: | Tak Matsumoto |
| Prev Title: | 'It's Showtime!!' |
| Prev Year: | 2003 |
| Next Title: | 'Banzai' |
| Next Year: | 2004 |
"Yasei no Energy" is the thirty-fifth single by B'z, released on July 16, 2003. This song is one of B'z's many number-one singles in Oricon charts.