Nishikigi Tetsuya is a Japanese professional sumo wrestler from Morioka. He made his debut in March 2006 and wrestles for Isenoumi stable. His highest rank has been komusubi and he has won championships at jūryō and makushita level.

Morioka is the capital city of Iwate Prefecture located in the Tōhoku region of northern Japan. On 1 August 2023, the city had an estimated population of 283,981 in 132,719 households, and a population density of 320 per square kilometre (830/sq mi). The total area of the city is 886.47 square kilometres (342.27 sq mi).