| Out of Order | |
| Type: | studio |
| Artist: | Nuclear Assault |
| Cover: | Nuclear Assault Out Of Order.jpg |
| Recorded: | March 26–April 20, 1991 |
| Studio: | The Hit Factory, New York, New York and Presence Studios, East Haven, Connecticut |
| Genre: | Thrash metal |
| Label: | I.R.S. |
| Producer: | Glenn Evans, Casey McMackin |
| Prev Title: | Handle with Care |
| Prev Year: | 1989 |
| Next Title: | Live at the Hammersmith Odeon |
| Next Year: | 1992 |
Out of Order is the fourth studio album released by american thrash metal band Nuclear Assault in 1991. This was the last Nuclear Assault studio album (until Third World Genocide) to feature Danny Lilker.
"Ballroom Blitz" is a Sweet cover.
All songs arranged by Glenn Evans and Nuclear Assault, except where noted