| Lost Sex | |
| Director: | Kaneto Shindō |
| Music: | Hikaru Hayashi |
| Cinematography: | Kiyomi Kuroda |
| Editing: | Hisao Enoki |
| Studio: | Kindai Eiga Kyokai |
| Distributor: | Shochiku |
| Runtime: | 103 minutes |
| Country: | Japan |
| Language: | Japanese |
is a 1966 Japanese drama film written and directed by Kaneto Shindō.