| Vallis Ex Umbra De Mortuus | |
| Type: | Studio album |
| Artist: | Rigor Sardonicous |
| Cover: | Vallis Ex Umbra De Mortuus.jpg |
| Released: | January 4, 2008 |
| Genre: | Doom metal, funeral doom, death-doom |
| Length: | 38:58 |
| Label: | Paragon Records |
| Prev Title: | Principia Sardonica |
| Prev Year: | 2004 |
| Next Title: | Ego Diligio Vos |
| Next Year: | 2012 |
Vallis Ex Umbra De Mortuus (Latin for "The Valley of the Shadow of Death") is the third studio album by the American funeral doom band Rigor Sardonicous. It was released in 2008 on Paragon Records.
The album's vinyl edition contains a cover of the song "Mad World" by English pop rock band Tears for Fears.