Fujio (written: 正行, 藤雄, 藤夫, 不二夫, 冨士夫, 富士夫, 富士男 or ふじを in hiragana) is a masculine Japanese given name. Notable people with the name include:
Fujio Akatsuka (赤塚 不二夫) (1935–2008), Japanese manga artist
Fujio Cho (張 富士夫) (born 1937), Japanese businessman
Fujio Ishihara (石原 藤夫) (born 1933), Japanese scientist and writer
Fujio Kobayashi (born 1944), Japanese golfer
Fujio Matsugi (真継 不二夫) (1903–1984), Japanese photographer
Fujio Masuoka (born 1943), Japanese inventor
Fujio Mitarai (御手洗 冨士夫) (born 1935), Japanese businessman
Noguchi Fujio (野口 富士男) (1911–1993), Japanese writer
Fujio Shido (志度 藤雄), Japanese chef
Fujio Shimizu (清水 富士夫) (born 1940), Japanese fencer
Fujio Yamamoto (born 1966), Japanese footballer
Fujio Yoshida (吉田 ふじを) (1887–1987), Japanese artist