威廉·尤金·史密斯（William Eugene Smith，1918年－1978年）美国报导摄影家，由于拒绝与所谓的专业标准妥协，以及既残暴又逼真的第二次世界大战照片而闻名。

出生于美国肯萨斯州的威奇塔市，1939年史密斯毕业于威奇塔高中（Wichita (Kansas) North High School），由提供两家当地报纸The Wichita Eagle及the Beacon照片开始了他的摄影生涯。后来他到纽约为《新闻周刊》（Newsweek）工作，且因为持续的追求完美主义及难以相处又具争议的个性而出名。1939年史密斯由于拒绝使用中片幅的相机拍照而被《新闻周刊》开除，后来他进入《生活杂志》（Life），没多久他辞职。1942年他为了帮《PARADE杂志》仿真作战时的状况而受伤。

William Eugene Smith (December 30, 1918 – October 15, 1978), was an American photojournalist, renowned for the dedication he devoted to his projects and his uncompromising professional and ethical standards. Smith developed the photo essay into a sophisticated visual form. His most famous studies included brutally vivid World War II photographs, the clinic of Dr Schweitzer in French Equatorial Africa, the city of Pittsburgh, the dedication of an American country doctor and a nurse midwife, and the pollution which damaged the health of the residents of Minamata in Japan.