Masahiro is a masculine Japanese given name. Notable people with the name include:
Abe Masahiro (阿部 正弘, 1819–1857), Japanese councillor (Rōjū)Masahiro Abe (阿部 真宏, born 1978), Japanese baseball playerMasahiro Akimoto (footballer) (秋元 雅博, born 1979), Japanese footballerMasahiro Akimoto (ski jumper) (秋元 正博, born 1956), Japanese ski jumperMasahiro Anbe (安部 真弘, born 1983), Japanese artistMasahiro Ando (footballer) (安藤 正裕, born 1972), Japanese footballerMasahiro Andoh (安藤 まさひろ, born 1954), Japanese guitarist and composerMasahiro Araki (荒木 雅博, born 1977), Japanese baseball playerMasahiro Chono (蝶野 正洋, born 1963), Japanese wrestlerMasahiro Endo (遠藤 雅大, born 1970), Japanese footballerMasahiro Fukuda (福田 正博, born 1966), Japanese footballerMasahiro Fukasawa (深澤 仁博, born 1977), Japanese footballerMasahiro Futahashi (二橋 正弘, born 1941), Japanese politicianMasahiro Hamazaki (浜崎 昌弘, 1940–2011), Japanese footballerMasahiro Hasemi (長谷見 昌弘, born 1945), Japanese racing driverMasahiro Ikeda (池田 昌広, born 1981), Japanese footballerMasahiro Imamura (今村 雅弘, born 1947), Japanese politicianMasahiro Inoue (井上 正大, born 1989) actorMasahiro Ishii (石井 正弘, born 1945), Japanese politicianMasahiro Ishikawa (石川 雅博, born 1990), Japanese footballerMasahiro Ito (伊藤 暢達), Japanese video game artistMasahiro Iwata (岩田 昌浩, born 1981), Japanese footballerMasahiro Kanagawa (金川 真大, born 1983), Japanese murdererMasahiro Kaneko (born 1991), Japanese footballerMasahiro Kano (born 1977), Japanese footballerMasahiro Kawai (川相 昌弘, born 1964), Japanese baseball playerMasahiro Kawasaki (川崎 真弘, 1949–2006), Japanese musician and composerMasahiro Kazuma (數馬 正浩, born 1982), Japanese footballerMasahiro Kobayashi (actor) (小林 正寛, born 1971), Japanese actor and voice actorMasahiro Kobayashi (director) (小林 政広, born 1954), Japanese film directorMasahiro Koga (古賀 正紘, born 1978), Japanese footballerMasahiro Koishikawa (小石川 正弘, born 1952), Japanese astronomerKongō Masahiro (金剛 正裕, born 1948), Japanese sumo wrestlerMasahiro Kono (河野 匡泰), Japanese actor and voice actorMasahiro Kunda (薫田 真広, born 1966), Japanese rugby union player and coachMasahiro Kuramoto (倉本 昌弘, born 1955), Japanese golferMasahiro Kuranuki (倉貫 匡弘, born 1982), Japanese actorMasahiro Makino (マキノ 雅弘, 1908–1993), Japanese film directorMasahiro Matsunaga (born 1960), Japanese racing driverMasahiro Matsuoka (松岡 昌宏, born 1977), Japanese drummer and actorMasahiro Miyashita (born 1975), Japanese footballerMasahiro Momitani (籾谷 真弘, born 1981), Japanese footballerMasahiro Mori (ceramic designer) (森 正洋, 1927–2005), Japanese ceramic designerMasahiro Mori (森 政弘, born 1927), Japanese roboticistMasahiro Morioka (森岡 正博, born 1958), Japanese philosopherMasahiro Motoki (本木 雅弘, born 1965), Japanese actorMasahiro Nakai (中居 正広, born 1972), Japanese singer, actor and hostMasahiro Nasukawa (那須川 将大, born 1986), Japanese footballerMasahiro Nojima (野島正弘, born 1971), Japanese baseball playerMasahiro Nonaka (野中 政宏, born 1968), Japanese voice actorMasahiro Ōhashi (大橋 正博, born 1981), Japanese footballerMasahiro Okamoto (岡本 昌弘, born 1983), Japanese footballerMasahiro Ota (born 1970), Japanese footballerŌuchi Masahiro (大内 政弘, 1446–1495), Japanese daimyoMasahiro Sakurai (桜井 政博, born 1970), Japanese video game designerMasahiro Shimizu (清水 雅広, born 1964), Japanese motorcycle racerMasahiro Shimmyo (born 1972), Japanese footballerMasahiro Shinoda (篠田 正浩, born 1931), Japanese film directorMasahiro Sukigara (鋤柄 昌宏, born 1966), Japanese footballerMasahiro Tabata (田端 正広, born 1940), Japanese politicianMasahiro Takahashi (高橋 昌大, born 1985), Japanese footballerMasahiro Takamatsu (高松 正裕, born 1982), Japanese judokaMasahiro Takashima (髙嶋 政宏, born 1965), Japanese actorTakatsukasa Masahiro (鷹司 政熙, 1761–1841), Japanese court nobleTamanoumi Masahiro (玉の海 正洋, 1944–1971), Japanese sumo wrestlerMasahiro Tanaka (田中 将大, born 1988), Japanese baseball playerTokitsuumi Masahiro (時津海 正博, born 1973), Japanese sumo wrestlerMasahiro Usui (碓井 将大, born 1991), Japanese actorMasahiro Wada (和田 昌裕, born 1965), Japanese footballerMasahiro Yamada (screenwriter) (山田 正弘, 1931–2005), Japanese screenwriter and poetMasahiro Yamada (山田 昌弘, born 1957), Japanese sociologistMasahiro Yamamoto (baseball) (山本 昌, born 1965), Japanese baseball playerMasahiro Yamamoto (kickboxer) (山本 真弘, born 1983), Japanese kickboxerMasahiro Yamanaka (山中 真尋), Japanese voice actorMasahiro Yasuoka (安岡 正篤, 1898–1983), Japanese scholarMasahiro Yoshimura (吉村 昌弘, 1936–2003), Japanese swimmer