Masao Fujii (藤井 将雄, Fujii Masao, October 16, 1968 – October 13, 2000) was a Japanese former professional baseball pitcher for the Fukuoka Daiei Hawks of Nippon Professional Baseball (NPB). He was born in Nishi-ku, Fukuoka and raised in Karatsu, Saga. His uniform number 15 is honored by the Hawks.