Naftuli "Nathan" Hertz Juran (September 1, 1907 - October 23, 2002) was an American film art director and film director who along with Richard Day and Thomas Little is most noted for winning the Academy Award for Best Art Direction of a black and white film in 1942 for How Green Was My Valley and for directing science fiction and fantasy films such as Attack of the 50 Foot Woman. He was also the brother of quality guru Joseph M. Juran.