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