Tenju (天授) was a Japanese era name (年号, nengō, lit. year name) of the Southern Court during the Nanboku-chō period after Bunchū and before Kōwa. This period started in May 1375 and ended in February 1381. The Southern Court monarch in Yoshino during this time was Emperor Chōkei (長慶天皇, Chōkei-tennō). The Northern Court pretender in Kyoto was Emperor Go-En'yū (後円融天皇, Go-En'yū-tennō).
| Tenju | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th |
|---|---|---|---|---|---|---|---|
| 1375 | 1376 | 1377 | 1378 | 1379 | 1380 | 1381 |
| Preceded by: Bunchū |
Era or nengō: Tenju |
Succeeded by: Kōwa |