Dewanoumi stable is a stable of sumo wrestlers, part of the Dewanoumi ichimon or group of stables. It has a long, prestigious history. Its current head coach is former maegashira Oginohana. As of January 2023 it had 19 wrestlers.

Oginohana Akikazu is a former sumo wrestler from Ichikawa, Chiba, Japan. He made his professional debut in July 1983, and reached the top division in January 1990. His highest rank was maegashira 2. He retired in July 1998. He is the son of former sekiwake Oginohana Masaaki and the elder brother of former komusubi Oginishiki. Since 2014 he has been the head of the Dewanoumi stable.