Leonard passed away on Saturday (14Aug10) at Cedars-Sinai Medical Center in Los Angeles. No other details about his death were available as WENN went to press.
A post on the star's official website confirmed the sad news: "We are deeply saddened to announce the passing of Herman Leonard... a great photographer, artist and compassionate human being, who brought the world of jazz and the joy of life closer to us all."
The legendary snapper made his name photographing jazz stars of the 1940s, with portraits of Miles Davis, Ella Fitzgerald, Billie Holiday and Louis Armstrong among his most famous shots.
In 1956, late film legend Marlon Brando picked Leonard as his personal photographer for a trip to the Far East.
In later years, Leonard worked in London, Paris and New Orleans, Louisiana and continued to photograph music legends including Tony Bennett and Frank Sinatra.
He is survived by his children Valerie, Shana, Michael and David.