Tamanoshima Arata (born September 15, 1977, as Arata Okabe) is a former sumo wrestler from Izumizaki, Fukushima, Japan. A former amateur champion, he made his professional debut in 1998, reaching the top makuuchi division at the end of 2000. He was twice runner-up in a tournament, and earned six special prizes and two gold stars during his career. His highest rank was sekiwake. He wrestled for Kataonami stable. He retired in November 2011 to become an elder of the Japan Sumo Association and is now known as Hanaregoma Oyakata. In December 2021 he became head coach of Hanaregoma stable.