| The Joy Device | |
| Cover Artist: | Fred Gambino |
| Author: | Justin Richards |
| Series: | Doctor Who book: Virgin New Adventures |
| Release Number: | 22 |
| Subject: | Featuring: Bernice Summerfield |
| Release Date: | October 1999 |
| Publisher: | Virgin Books |
| Isbn: | 0-426-20535-9 |
| Preceded By: | Return to the Fractured Planet |
| Followed By: | Twilight of the Gods |
The Joy Device is an original novel by Justin Richards featuring the fictional archaeologist Bernice Summerfield. The book is part of the New Adventures series, a spin-off from the long-running British science fiction television series Doctor Who.