Shōhō (正保) was a Japanese era name (年号,, nengō,; lit. "year name") after Kan'ei and before Keian. This period started in December 1644 and ended in February 1648. During this time, the emperor was Go-Kōmyō-tennō (後光明天皇).

| Shōhō | 1st | 2nd | 3rd | 4th | 5th |
|---|---|---|---|---|---|
| 1644 | 1645 | 1646 | 1647 | 1648 |
| Preceded by: Kan'ei |
Era or nengō: Shōhō |
Succeeded by: Keian |