| A Dead Heavy Day | |
| Type: | studio |
| Artist: | Poisonblack |
| Cover: | PoisonblackADeadHeavyDay.jpg |
| Genre: | Heavy metal, gothic metal |
| Label: | Century Media |
| Prev Title: | Lust Stained Despair |
| Prev Year: | 2006 |
| Next Title: | Of Rust and Bones |
| Next Year: | 2010 |
A Dead Heavy Day is the third studio album by the Finnish gothic metal band Poisonblack. It was released on 1 September 2008 by Century Media Records.