Arnon Milchan (Hebrew: ארנון מילצ'ן; December 6, 1944) is an Israeli billionaire businessman, film producer and former spy. He has been involved in over 130 full-length motion pictures and is the founder of production company Regency Enterprises. Regency's film credits include 12 Years a Slave, JFK, Heat, Fight Club, and Mr. & Mrs. Smith. Milchan has earned two nominations for the Academy Award for Best Picture, for L.A. Confidential and The Revenant; he also produced Best Picture nominees The Big Short, 12 Years a Slave, and Birdman, with the latter two winning the award in consecutive years.

Milchan was also an Israeli intelligence operative from the mid-1960s to the mid-1980s.