| 21st Century | |
| Type: | Album |
| Artist: | Blue System |
| Cover: | 21st Century.jpg |
| Released: | 21 March 1994 |
| Genre: | Europop |
| Length: | 37:16 |
| Label: | BMG |
| Producer: | Dieter Bohlen Luis Rodríguez |
| Prev Title: | Backstreet Dreams |
| Prev Year: | 1993 |
| Next Title: | X - Ten |
| Next Year: | 1994 |
21st Century is the ninth album of Blue System. Was published in 1994 by BMG Ariola and produced by Dieter Bohlen.
The album contains 12 new tracks.