| Inertia | |
| Type: | studio |
| Artist: | Derek Sherinian |
| Cover: | Derek Sherinian Inertia 1-200-1.jpg |
| Released: | April 17, 2001 |
| Genre: | Instrumental rock, progressive metal |
| Label: | Inside Out |
| Producer: | Derek Sherinian, Simon Phillips |
| Prev Title: | Planet X |
| Prev Year: | 1999 |
| Next Title: | Black Utopia |
| Next Year: | 2003 |
Inertia is the second studio album by keyboardist Derek Sherinian, released in 2001 through Inside Out Music. This album marks the beginning of Sherinian's longtime collaborations with drummer Simon Phillips as well as guitarists Steve Lukather and Zakk Wylde.