Yasuji (written: 康二, 保二, 保次, 寧次, 安次, 安司 or 彌壽治) is a masculine Japanese given name. Notable people with the name include:
Yasuji Hondo (本堂 保次) (born 1918), Japanese baseball player and manager
Yasuji Kamada (鎌田 彌壽治) (1883–1977), Japanese photographer
Yasuji Kaneko (金子 安次) (born 1920), Japanese war criminal and activist
Yasuji Kiyose (清瀬 保二) (1900–1981), Japanese composer
Yasuji Miyazaki (宮崎 康二) (1916–1989), Japanese swimmer
Yasuji Mori (森 康二) (1925–1992), Japanese animator
Yasuji Murata (村田 安司) (1896–1966), Japanese animator
Yasuji Okamura (岡村 寧次) (1884–1966), Japanese general
Yasuji Sasaki (born 1967), Japanese chef
