Masayuki (written: 正之, 正行,正幸, 昌之, 昌行, 昌幸, 昌由, 政之, 政行, 政幸, 雅之, 雅行, 真幸, 眞幸, 征之, 誠之, 将之 or 摩砂雪) is a masculine Japanese given name. Notable people with the name include:

• Masayuki (animator) (摩砂雪, born 1961), Japanese animator and director
• Masayuki Deai (出合 正幸, born 1981), Japanese actor
• Masayuki Dobashi (土橋 正幸, 1935–2013), Japanese baseball player and manager
• Masayuki Fujio (藤尾 正行, 1917–2006), Japanese politician
• Hanabusa Masayuki (花房 正幸, 1524–1605), Japanese samurai
• Masayuki Hirahara (平原 誠之, born 1980), Japanese pianist and composer
• Masayuki Hisataka (久高 正之, born 1940), Japanese karateka
• Hoshina Masayuki (保科 正之, 1611–1673), Japanese daimyō
• Masayuki Hyokai (氷海 正行, born 1950), Japanese handball player
• Masayuki Ishikawa (石川 雅之, born 1974), Japanese manga artist
• Masayuki Iwamoto (岩本 雅之), Japanese astronomer
• Masayuki Izumikawa (泉川 正幸, born 1971), Japanese volleyball player
• Masayuki Katō (加藤 将之, born 1972), Japanese voice actor
• Masayuki Kawahara (川原 正行, born 1956), Japanese speed skater
• Masayuki Kawamura (河村 正之, 1878–1933), Japanese physician
• Masayuki Kawamura (golfer) (born 1967), Japanese golfer
• Masayuki Kikuchi (菊地 正幸, 1948–2003), Japanese seismologist
• Masayuki Kishida (岸田 真幸, born 1985), Japanese swimmer
• Masayuki Kojima (小島 正幸, born 1961), Japanese animator and anime director
• Masayuki Kono (河野 真幸, born 1980), Japanese professional wrestler and mixed martial artist
• Masayuki Maegawa (前川 正行, born 1984), Japanese footballer
• Masayuki Matsubara (松原 正之, born 1939), Japanese sport wrestler
• Masayuki Matsunaga (松永 政行, born 1970), Japanese gymnast
• Masayuki Minami (南 将之, 1941–2000), Japanese volleyball player
• Masayuki Mita (見田 雅之, born 1969), Japanese footballer
• Masayuki Miyaji (宮地 昌幸, born 1976), Japanese anime director
• Masayuki Miyata (宮田 雅之, 1926–1997), Japanese artist
• Mitoizumi Masayuki (水戸泉 眞幸, born 1962), Japanese sumo wrestler
• Masayuki Mori (actor) (森 雅之, 1911–1973), Japanese actor
• Masayuki Mori (film producer) (森 昌行, born 1953), Japanese film producer
• Masayuki Nagare (流 政之, born 1923), Japanese sculptor
• Masayuki Nakagomi (中込 正行, born 1967), Japanese footballer
• Masayuki Naoshima (直嶋 正行, born 1945), Japanese politician
• Masayuki Naruse (成瀬 昌由), Japanese professional wrestler
• Masayuki Ochiai (落合 正幸), Japanese film director
• Masayuki Ochiai (footballer) (落合 正幸, born 1981), Japanese footballer
• Masayuki Okano (岡野 雅行, born 1972), Japanese footballer
• Masayuki Okuyama (奧山 政幸, born 1993), Japanese footballer
• Masayuki Omori (大森 征之, born 1976), Japanese footballer
• Masayuki Onishi (大西 昌之, born 1977), Japanese footballer
• Masayuki Osawa (大沢 正行, born 1946), Japanese swimmer
• Masayuki Ota (太田 雅之, born 1973), Japanese footballer
• Masayuki Sakoi (迫井 政行, born 1974), Japanese anime director
• Sanada Masayuki (真田 昌幸, 1540s – 1611), Japanese daimyō
• Masayuki Sano (佐野 雅之, born 1919), Japanese fencer
• Masayuki Suo (周防 正行, born 1956), Japanese film director
• Masayuki Suzuki (鈴木 雅之, born 1956), Japanese singer
• Masayuki Suzuki (drummer) (鈴木 政行, born 1972), Japanese drummer
• Masayuki Takagi (高木 雅行), Japanese film producer
• Masayuki Takahashi (高橋 雅之, born 1962), Japanese sailor
• Masayuki Takayanagi (高柳 昌行, 1932–1991), Japanese musician
• Masayuki Tanaka (田中 雅之, born 1951), Japanese singer
• Masayuki Tani (谷 正之, 1899–1962), Japanese politician
• Tochihikari Masayuki (栃光 正之, 1933–1977), Japanese sumo wrestler
• Masayuki Tokioka (1897–1998), Japanese businessman
• Masayuki Toyoshima (豊島 将之, born 1990), Japanese shogi player
• Masayuki Uemura (上村 雅之, born 1943), Japanese video game hardware designer
• Masayuki Yamada (山田 将之, born 1994), Japanese footballer
• Masayuki Yanagisawa (柳沢 将之, born 1979), Japanese footballer
• Masayuki Yanai (箭内 政之, born 1959), Japanese astronomer

See also

• 8206 Masayuki, a main-belt asteroid