Masakazu is a masculine Japanese given name. Notable people with the name include:
Imafuku Masakazu (died 1582), Japanese samurai of the Sengoku period who served the Takeda clan Kobori Masakazu (1579–1647), artist and aristocrat in the reign of Tokugawa Ieyasu Masakazu Fujiwara (born 1981), Japanese long-distance runner who specializes in the marathon Masakazu Fukuda (1972–2000), Japanese professional wrestler Masakazu Imanari (born 1976), Japanese mixed martial arts fighter best known for his leglocks Masakazu Ishiguro (born 1977), Japanese manga artist , Japanese cyclist Masakazu Kagiyama (born 1971), Japanese figure skater who is now a coach Masakazu Katsura (born 1962), Japanese manga artist Masakazu Kawabe (1886–1965), general in the Imperial Japanese Army Masakazu Koda (born 1969), former Japanese football player Masakazu Kondō, Japanese shogi player Masakazu Konishi (1933–2020), Japanese biologist Masakazu Morita (born 1972), Japanese voice actor and actor Masakazu Nakai (1900–1952), Japanese aesthetician, film theorist, librarian, and social activist , Japanese anime director Masakazu Sekiguchi (born 1953), Japanese politician of the Liberal Democratic Party Shinagawa Masakazu (1544–1565), Japanese samurai of the Sengoku period who served the Mōri clan Masakazu Suzuki, retired Japanese football player and manager Masakazu Tamura (born 1943), Japanese film and theatre actor Masakazu Tashiro (born 1988), Japanese football player Masakazu Yoshizawa (1950–2007), Japanese American flautist and musician, known for his mastery of the shakuhachi Masakazu Watanabe, Japanese shogi player , Japanese manga artist , Japanese writer, literary critic and philosopher