| Bad Mood | |
| Cover: | The Vaccines Bad Mood cover art.jpg |
| Type: | single |
| Artist: | the Vaccines |
| Album: | Come of Age |
| B-Side: | Living Out Your Dreams Backwards |
| Released: | 17 March 2013 |
| Recorded: | 2012 |
| Genre: | Indie rock, blues rock |
| Length: | 3:05 |
| Label: | Columbia Records |
| Prev Title: | I Always Knew |
| Prev Year: | 2012 |
| Next Title: | Handsome |
| Next Year: | 2015 |
"Bad Mood" is a song from English indie rock band the Vaccines. The track was released in the United Kingdom on 17 March 2013 as the fourth and final single from the band's second studio album, Come of Age (2012).