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