| In Action | |
| Type: | EP |
| Artist: | We Are Scientists |
| Cover: | Was_Inaction.jpg |
| Released: | October 2003 |
| Genre: | Indie rock |
| Length: | 17:40 |
| Label: | Checkered Seagull |
| Producer: | Paolo DeGregorio for Mother West Records |
| Prev Title: | Bitchin' |
| Prev Year: | 2002 |
| Next Title: | The Wolf's Hour |
| Next Year: | 2004 |
In Action is the second EP from rock band We Are Scientists. The album was released in October 2003.