DE9
# DE9

DE9 may refer to:

* DE-9, a common type of electrical connector
* Decks, EFX & 909, a 1999 album by Canadian Detroit techno artist Richie Hawtin
* DE9: Closer to the Edit, a 2001 album by Canadian Detroit techno artist Richie Hawtin
* DE9: Transitions, a 2005 album by Canadian Detroit techno artist Richie Hawtin
* DE9: Fragments, a 2012 recorded performance by Canadian Detroit techno artist Richie Hawtin
* Delaware Route 9
* USS Carlson (DE-9)
