| The Day's War | |
| Type: | studio |
| Artist: | Lonely the Brave |
| Cover: | The Day's War cover.jpg |
| Genre: | Alternative rock |
| Label: | Hassle, Columbia |
| Producer: | Mark Williams |
| Prev Title: | Backroads |
| Prev Year: | 2013 |
| Next Title: | Things Will Matter |
| Next Year: | 2016 |
The Day's War is the debut studio album by British alternative rock band Lonely the Brave. It was released in 2014 and reissued with additional tracks – as The Day's War Victory Edition – in 2015 through Hassle Records and Columbia Records.
According to Metacritic, it has received generally favorable reviews from critics.