Okinoumi Ayumi is a former Japanese professional sumo wrestler from Okinoshima, Shimane. He joined professional sumo in 2005, reaching the top division in 2010. He was runner-up in makuuchi three times in the January 2011, March 2013, and November 2017 tournaments, all with an 11–4 record. His highest rank was sekiwake, which he held for one tournament in March 2015 and then held again in November 2016. He has won four Fighting Spirit prizes, one prize for Outstanding Performance, and four gold stars for defeating yokozuna. He wrestled for Hakkaku stable. Upon his retirement, Okinoumi became a sumo coach under the name of Kimigahama.

Okinoshima is a town located on Dōgo, in Oki District, Shimane Prefecture, Japan. As of June 2013, the town had an estimated population of 14,849 and a population density of 61.1 persons per km2. The total area was 242.95 km2.