| Square Window | |
| Type: | EP |
| Artist: | Squarepusher |
| Border: | yes |
| Released: | March 8, 2004 |
| Genre: | Drill n bass |
| Length: | 19:00 |
| Label: | Warp Records |
| Producer: | Tom Jenkinson |
| Prev Title: | Do You Know Squarepusher |
| Prev Year: | 2002 |
| Next Title: | Venus No. 17 |
| Next Year: | 2004 |
Square Window is a promotional 3" CD EP by Squarepusher, distributed only with pre-orders of Ultravisitor from Warp Records' online store. The five songs on this EP were also included on the second disc of the Japanese version of Ultravisitor.