Date of Birth: 
About Kotoinazuma Yoshihiro
- Kotoinazuma Yoshihiro (born 26 April 1962 as Masahiro Tamura) is a former sumo wrestler from Niiharu, Gunma, Japan.
- He made his professional debut in 1978, and reached the top division in 1987.
- His highest rank was komusubi and he earned two special prizes.
- After retirement he became an elder in the Japan Sumo Association and as of 2016 he is a coach at Sadogatake stable under the name Kumegawa.
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