Masahiro

Masahiro is a masculine Japanese given name. As a standalone name, it may refer to:

Swordsmiths
One of several historical katana swordsmiths (and the swords crafted by them), including:

• Ōsuminojō Masahiro (大隅掾正弘?), a disciple of Horikawa Kunihiro(ja)
• Hojōji Masahiro (法城寺正弘?), latter half 17th cent.
• Kawachidaijō Masahiro (河内大掾正広?), aka Hizen Masahiro I; a disciple of Hizen Tadayoshi I(ja). See List of Wazamono for this and the preceding swordmaker.

Modern blade manufacturers

• Masahiro (株式会社マサヒロ?), a kitchen knife manufacturer based in Seki, Gifu, and its Masahiro (正広) line of knives.
• Masahiro (正広?), a trade brand of inexpensive katana for the North American market, manufactured by several Chinese workshops.

As part of a Japanese full name, it may refer to:

• Abe Masahiro (阿部 正弘?) (1819–1857), Japanese councillor (Rōjū)
• Masahiro Abe (阿部 真宏?) (born 1978), Japanese baseball player
• Masahiro Akimoto (footballer) (秋元 雅博?) (born 1979), Japanese footballer
• Masahiro Akimoto (秋元 正博?) (born 1956), Japanese ski jumper
• Masahiro Anbe (安部 真弘?) (born 1983), Japanese artist
• Masahiro Ando (footballer) (安藤 正裕?) (born 1972), Japanese footballer
• Masahiro Andoh (安藤 まさひろ?) (born 1954), Japanese guitarist and composer
• Masahiro Araki (荒木 雅博?) (born 1977), Japanese baseball player
• Masahiro Chono (蝶野 正洋?) (born 1963), Japanese wrestler
• Masahiro Endo (遠藤 雅大?) (born 1970), Japanese footballer
• Masahiro Fukuda (福田 正博?) (born 1966), Japanese footballer
• Masahiro Fukasawa (深澤 仁博?) (born 1977), Japanese footballer
• Masahiro Futahashi (二橋 正弘?) (born 1941), Japanese politician
• Masahiro Hamazaki (浜崎 昌弘?) (1940–2011), Japanese footballer
• Masahiro Hasemi (長谷見 昌弘?) (born 1945), Japanese racing driver
• Masahiro Ikeda (池田 昌広?) (born 1981), Japanese footballer
• Masahiro Imamura (今村 雅弘?) (born 1947), Japanese politician
• Masahiro Inoue (井上 正大?) (born 1989), Japanese actor
• Masahiro Ishii (石井 正弘?) (born 1945), Japanese politician
• Masahiro Ishikawa (石川 雅博?) (born 1990), Japanese footballer
• Masahiro Ito (伊藤 暢達?), Japanese video game artist
• Masahiro Iwata (岩田 昌浩?) (born 1981), Japanese footballer
• Masahiro Kanagawa (金川 真大?) (born 1983), Japanese murderer
• Masahiro Kano (born 1977), Japanese footballer
• Masahiro Kawai (川相 昌弘?) (born 1964), Japanese baseball player
• Masahiro Kawasaki (川崎 真弘?) (1949–2006), Japanese musician and composer
• Masahiro Kazuma (數馬 正浩?) (born 1982), Japanese footballer
• Masahiro Kobayashi (小林 正寛?) (born 1971), Japanese actor and voice actor
• Kobayashi Masahiro (小林 政広?) (born 1954), Japanese film director
• Masahiro Koga (古賀 正紘?) (born 1978), Japanese footballer
• Masahiro Koishikawa (小石川 正弘?) (born 1952), Japanese astronomer
• Kongō Masahiro (金剛 正裕?) (born 1948), Japanese sumo wrestler
• Masahiro Kono (河野 匡泰?), Japanese actor and voice actor
• Masahiro Kunda (薫田 真広?) (born 1966), Japanese rugby union player and coach
• Masahiro Kuramoto (倉本 昌弘?) (born 1955), Japanese golfer
• Masahiro Kuranuki (倉貫 匡弘?) (born 1982), Japanese actor
• Masahiro Makino (マキノ 雅弘?) (1908–1993), Japanese film director
• Masahiro Matsunaga (born 1960), Japanese racing driver
• Masahiro Matsuoka (松岡 昌宏?) (born 1977), Japanese drummer and actor
• Masahiro Miyashita (born 1975), Japanese footballer
• Masahiro Momitani (籾谷 真弘?) (born 1981), Japanese footballer
• Masahiro Mori (ceramic designer) (森 正洋?) (1927–2005), Japanese ceramic designer
• Masahiro Mori (森 政弘?) (born 1927), Japanese roboticist
• Masahiro Morioka (森岡 正博?) (born 1958), Japanese philosopher
• Masahiro Motoki (本木　雅弘?) (born 1965), Japanese actor
• Masahiro Nakai (中居 正広?) (born 1972), Japanese singer, actor and host
• Masahiro Nasukawa (那須川 将大?) (born 1986), Japanese footballer
• Masahiro Nojima (野島正弘?) (born 1971), Japanese baseball player
• Masahiro Nonaka (野中 政宏?) (born 1968), Japanese voice actor
• Masahiro Ōhashi (大橋 正博?) (born 1981), Japanese footballer
• Masahiro Okamoto (岡本 昌弘?) (born 1983), Japanese footballer
• Masahiro Ota (born 1970), Japansese footballer
• Ōuchi Masahiro (大内 政弘?) (1446–1495), Japanese daimyo
• Masahiro Sakurai (桜井 政博?) (born 1970), Japanese video game designer
• Masahiro Shimizu (清水 雅広?) (born 1964), Japanese motorcycle racer
• Masahiro Shimmyo (born 1972), Japanese footballer
• Masahiro Shinoda (篠田 正浩?) (born 1931), Japanese film director
• Masahiro Sukigara (鋤柄 昌宏?) (born 1966), Japanese footballer
• Masahiro Tabata (田端 正広?) (born 1940), Japanese politician
• Masahiro Takahashi (高橋 昌大?) (born 1985), Japanese footballer
• Masahiro Takamatsu (高松 正裕?) (born 1982), Japanese judoka
• Masahiro Takashima (髙嶋 政宏?) (born 1965), Japanese actor
• Takatsukasa Masahiro (鷹司 政熙?) (1761–1841), Japanese court noble
• Tamanoumi Masahiro (玉の海 正洋?) (1944–1971), Japanese sumo wrestler
• Masahiro Tanaka (田中 将大?) (born 1988), Japanese baseball player
• Tokitsuumi Masahiro (時津海 正博?) (born 1973), Japanese sumo wrestler
• Masahiro Usui (碓井 将大?) (born 1991), Japanese actor
• Masahiro Wada (和田 昌裕?) (born 1965), Japanese footballer
• Masahiro Yamada (screenwriter) (山田 正弘?) (1931–2005), Japanese screenwriter and poet
• Masahiro Yamada (山田 昌弘?) (born 1957), Japanese sociologist
• Masahiro Yamamoto (baseball) (山本 昌?) (born 1965), Japanese baseball player
• Masahiro Yamamoto (kickboxer) (山本 真弘?) (born 1983), Japanese kickboxer
• Masahiro Yasuoka (安岡 正篤?) (1898–1983), Japanese scholar
• Masahiro Yoshimura (吉村 昌弘?) (1936–2003), Japanese swimmer