| Čuvar tajni | |
| Type: | Studio |
| Artist: | Kraljevski Apartman |
| Cover: | Apartmancuvari.jpg |
| Released: | 2008 |
| Genre: | Hard rock Heavy metal |
| Label: | PGP-RTS |
| Prev Title: | Best of Live (1996–2005) |
| Prev Year: | 2005 |
| Next Title: | Igre bez pravila |
| Next Year: | 2012 |
Čuvar tajni (trans. The Keeper of Secrets) is the fifth studio album by Serbian heavy metal band Kraljevski Apartman. Čuvar tajni is the band's only album recorded with vocalist Ivan Đerković.
The album features a new version of the song "Jesen", originally released on Kraljevski Apartman's second album Izgubljen u vremenu.
All songs written by Zoran Zdravković.