, also known as 誉田別尊 (alternatively spelled 譽田別命, 誉田別命, 品陀和気命, 譽田分命, 誉田別尊, 品陀別命) or 譽田天皇, was the 15th (possibly legendary) Emperor of Japan, according to the traditional order of succession.
No firm dates can be assigned to Ōjin's life or reign, but he is traditionally considered to have reigned from 270 to 310. According to the Shinto religion and Buddhism in Japan, Emperor Ōjin is the divine spirit of the deity Hachiman (八幡神).
The Japanese have traditionally accepted this sovereign's historical existence, and a mausoleum (misasagi) for Ōjin is currently maintained. The following information available is taken from the pseudo-historical Kojiki and Nihon Shoki, which are collectively known as Kiki or Japanese chronicles. These chronicles include legends and myths, as well as potential historical facts that have since been exaggerated and/or distorted over time. The circumstances surrounding the future emperor's birth are controversial as they allegedly i