| 100 dage | |
| Cover: | dage.jpg |
| Type: | single |
| Artist: | Thomas Helmig featuring Medina |
| Album: | Tommy Boy |
| Released: | 18 September 2009 |
| Recorded: | 2009 |
| Genre: | Pop |
| Length: | 4:16 |
| Label: | Genlyd / Sony Music Entertainment |
| Chronology: | Thomas Helmig |
| Prev Title: | Op Og Ned |
| Prev Year: | 2006 |
100 dage is a song by Danish rock singer Thomas Helmig from his sixteenth studio album Tommy Boy, featuring vocals from Danish pop singer Medina. It was released on 18 September 2009. "100 dage" peaked at number one in Denmark.