Ronald J. Diamond (born July 30, 1958) is an American film producer from Los Angeles, CA.

He has been a member of the Academy of Motion Picture Arts and Sciences, Shorts Films and Feature Animation[5] branch since 2002, and is a collaborator with the LA Opera creative team.

Diamond spent nine years producing live action films including, The Chocolate War and The Dark Backward before refocusing his career towards animation.

"[17][18][19] Diamond has presented ASOS and his annual Oscar Showcase Tour to students and industry professionals alike at venues such as Harvard University, DreamWorks, Pixar, and the Walt Disney Family Museum.

It has produced animated commercials for companies including: Levi's Jeans for Women, United Airlines, AT&T, Microsoft, Charmin, Ad Council and the Alzheimer's Association.

Acme Filmworks has produced logos and main title sequences including: the Scott Free Productions logo, Universal Pictures' Robin Hood, Disney's The Wonderful Ice Cream Suit, The Path, and Ken Follet's Pillars of The Earth.