Yoshihara is a Japanese surname. Notable people with the surname include:
Daijiro Yoshihara (born 1978), Japanese racing driver Jiro Yoshihara (1905–1972), Japanese painter Kota Yoshihara (born 1978), Japanese footballer Mari Yoshihara (born 1968), American academic Yoshihara Shigetoshi (1845–1887), Japanese diplomat Shinya Yoshihara (born 1978), Japanese footballer Tomoko Yoshihara (born 1970), Japanese volleyball player Yukari Yoshihara (born 1973), Japanese Go player Yoshindo Yoshihara (born 1943), Japanese swordsmith Nancy Yoshihara, American journalist and co-founder of the Asian American Journalists Association