List of Famous people with last name Masaru

Masaru Hanada is a Japanese former professional sumo wrestler. As an active wrestler he was known as Wakanohana Masaru , and his rise through the ranks alongside his younger brother Takanohana Kōji saw a boom in sumo's popularity in the early 1990s. He is the elder son of the former ōzeki Takanohana Kenshi, who was also his stablemaster, and the nephew of Wakanohana Kanji I, a famous yokozuna of the 1950s. Wakanohana was a long serving ōzeki who won five tournament championships, and eventually joined his brother at yokozuna rank in 1998, creating the first ever sibling grand champions. After a brief and injury plagued yokozuna career he retired in 2000, becoming a television personality and restaurant owner. The death of his father in 2005 saw a very public falling out with his brother.

Kyokutenhō Masaru in Nalaikh, Ulan Bator, Mongolia is a former professional sumo wrestler. He fought out of Ōshima stable, with the first group of Mongolians ever to join the sport in Japan.

Gagamaru Masaru is a Georgian former professional sumo wrestler from Tbilisi. The third Georgian national after Kokkai and Tochinoshin to make the top makuuchi division, he made his professional debut in November 2005, reaching the jūryō division in November 2009 and makuuchi in July 2010. Originally from Kise stable, he briefly competed for the Kitanoumi stable before moving back to the Kise stable after it was re-established. His highest rank was komusubi. He won two special prizes for Fighting Spirit and was runner-up in one top division tournament. After missing nearly all of 2020 through injury and falling greatly in rank, he announced his retirement during the November 2020 tournament.

Viscount Inoue Masaru was the first Director of Railways in Japan and is known as the "father of the Japanese railways".