Emperor Go-En'yū was the 5th of the Emperors of Northern Court during the period of two courts in Japan. According to pre-Meiji scholars, his reign spanned the years from 1371 through 1382.

The Nanboku-chō period, spanning from 1336 to 1392, was a period that occurred during the formative years of the Muromachi (Ashikaga) shogunate of Japanese history.