Masafumi is a masculine Japanese given name. Notable people with the name include:
Masafumi Akikawa, Japanese tenor singerMasafumi Arima (1895–1944), admiral in the Imperial Japanese Navy in World War IIMasafumi Gotoh (born 1976), lead vocalist, songwriter, guitarist in the Japanese rock band Asian Kung-Fu GenerationMasafumi Hara (born 1943), retired Japanese football playerMasafumi Hirai (born 1975), Japanese professional baseball pitcherMasafumi Kawaguchi, American Football player from JapanMasafumi Kimura (born 1976), Japanese voice actor from Aomori PrefectureMasafumi Maeda (born 1983), Japanese football playerMasafumi Makiyama (born 1979), Japanese archerMasafumi Miyagi (宮城 雅史, born 1991), Japanese footballerMasafumi Miyamoto (born 1957), the founder of Square in 1983Masafumi Mizuki (born 1974), former Japanese football playerMasafumi Nishi (born 1960), Japanese baseball playerMasafumi Ogawa (born 1983), Japanese professional ice hockey ForwardMasafumi Oura (born 1969), Japanese former volleyball playerMasafumi Takada (born 1970), Japanese video game music composerMasafumi Togano (born 1984), Japanese Nippon Professional Baseball playerMasafumi Yokoyama (born 1956), former Japanese football playerMasafumi Yoshida (born 1985), Japanese football player