Nathan Jung was an American actor.

He was perhaps most widely recognized for portraying Genghis Khan in The Savage Curtain episode of the original Star Trek series and for playing Leslie Nielsen's right-hand man in the comedy Surf Ninjas (1993).

Jung was also one of the few actors who worked with both Bruce Lee and his son, Brandon Lee, appearing in a 1969 episode of Here Comes the Brides and with roles in both Rapid Fire (1992) and Showdown in Little Tokyo (1991).

Throughout his five-decade long career, Jung guest starred in a number of television series including Kung Fu, Sanford and Son, Starsky and Hutch, Monster Squad, CHipS, M*A*S*H, Falcon Crest, The A-Team, Lois & Clark: The New Adventures of Superman, Burke's Law, and Hangin' with Mr. Cooper.

He also had roles in Kentucky Fried Movie (1977), Corvette Summer (1978), Longshot (1981), Big Trouble in Little China (1986), Darkman (1990), and Beverly Hills Ninja (1997).

Jung died April 24, 2021, in Los Angeles, California. He was 74.