| Thiefth | |
| Type: | EP |
| Artist: | David Grubbs |
| Cover: | DavidGrubbs_Thiefth.jpg |
| Released: | September 20, 2005 |
| Genre: | Improvisational |
| Length: | 21:26 |
| Label: | Blue Chopsticks |
| Prev Title: | A Guess at the Riddle |
| Next Title: | Two Soundtracks for Angela Bulloch |
Thiefth is an album by American musician David Grubbs and poet Susan Howe.