Bertram Fields (March 31, 1929) is a Harvard-trained American lawyer famous for his work in the field of entertainment law; he has represented many of the leading studios, as well as individual celebrities including The Beatles, Warren Beatty, James Cameron, Mike Nichols, Joel Silver, Tom Cruise, Dustin Hoffman, and John Travolta.

He received his B.A. from University of California, Los Angeles in 1949 and his LL.B. from Harvard Law School (magna cum laude) in 1952. He is a member of the California and New York Bars. In addition to the clients above, he represented George Lucas in contract negotiations with The Walt Disney Company regarding Disney theme parks. He also represented Paramount Pictures in its appeal of the Buchwald v. Paramount case over Coming to America, and in other civil litigation.

Fields represented Jeffrey Katzenberg in landmark action against Disney and obtained multi-million dollar judgement for George Harrison against his former business manager. He also represented DreamWorks SKG and Steven Spielberg in defeating an application for an injunction against exhibition of Amistad.