Ninpei (仁平), also romanized as Nimpyō, was a Japanese era name (年号,, nengō,; lit. "year name") after Kyūan and before Kyūju. This period started in January 1151 and ended in October 1154. During this time, the emperor was Konoe-tennō (近衛天皇).
| Ninpei | 1st | 2nd | 3rd | 4th |
| Gregorian | 1151 | 1152 | 1153 | 1154 |
| Preceded by: Kyūan |
Era or nengō: Ninpei |
Succeeded by: Kyūju |