|Olympic medal record|
|Competitor for Template:Country data Japan|
|Gold medal – first place||1936 Berlin||4×200 m freestyle relay|
Masaharu Taguchi (田口 正治 Taguchi Masaharu?, born January 9, 1916 in Kyoto - June 29, 1982) was a Japanese freestyle swimmer. He won gold medal for the Men's 4×200 m freestyle relay in the 1936 Summer Olympics, alongside Masanori Yusa, Shigeo Sugiura, and Shigeo Arai.
- 1936 Olympics 4×200 m freestyle relay - 8:51.5 (World record)
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