DE9 explained
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
- , a 2001 album by Canadian Detroit techno artist Richie Hawtin
- , a 2005 album by Canadian Detroit techno artist Richie Hawtin
- , a 2012 recorded performance by Canadian Detroit techno artist Richie Hawtin
- Delaware Route 9