Ninmyō, Japanese emperor (died 850)

Year 808 (DCCCVIII) was a leap year starting on Saturday of the Julian calendar, the 808th year of the Common Era (CE) and Anno Domini (AD) designations, the 808th year of the 1st millennium, the 8th year of the 9th century, and the 9th year of the 800s decade.

Emperor Ninmyō was the 54th emperor of Japan, according to the traditional order of succession. Ninmyō's reign lasted from 833 to 850, during the Heian period.