Date Tomomune (伊達 朝宗, DAH-tay; 1129 – October 23, 1199) was a samurai during the closing years of the Heian period through to the beginning of the Kamakura period.

In 1189, Nakamura Hitachi-nyudo Nensai received the territory of Date from Minamoto Yoritomo as a result of his participation in the Battle of Ōshu.

His grave is in the present day town of Koori in Fukushima.

[1] Date Tomomune is prominently featured in the anime Masamune Datenicle, produced by the City of Date in Fukushima in collaboration with Fukushima Gainax.

Throughout the series, a young Date Masamune receives the help of his ancestors while struggling with his new role as the 17th lord of the Date Clan.