Zaonishiki Toshimasa (born 3 September 1952 as Toshimasa Adachi) is a former sumo wrestler from Yamagata, Japan.
He made his professional debut in September 1970, and reached the top division in November 1976.
His highest rank was maegashira 1.
He retired in January 1983 and is an elder in the Japan Sumo Association under the name Takekuma.
He reached the retirement age for elders of 65 in September 2017, but is staying with the Sumo Association for an additional five years as a consultant.