| Deffest! and Baddest! | |
| Type: | studio |
| Artist: | Wendy O. Williams |
| Cover: | WOW deffest and baddest.jpg |
| Released: | 1988 |
| Genre: | Rap rock |
| Label: | Profile Records |
| Producer: | Rod Swenson Wes Beech |
| Prev Title: | Kommander of Kaos |
| Prev Year: | 1986 |
| Next Year: | 1988 |
Deffest! and Baddest! is the third solo studio album released by Wendy O. Williams and the last album she recorded. The album was credited to "Wendy O. Williams' Ultrafly and the Hometown Girls".