Wayne Diamond is an American fashion designer, best known for his performance as an exaggerated version of himself in the 2019 Safdie brothers film Uncut Gems.

Wayne Diamond was born on Long Island, New York, and grew up in Oceanside with three sisters and one brother.

His father, Alan, taught accounting at Nassau Community College and Adelphi University.

[2] He later founded the dress-maker Diamond's Run during the 1970s, based in the New York City Garment District.

[8] He is best known for his performance in the Safdie brothers' 2019 film Uncut Gems as a fictionalized version of himself.