Jack Bertrand Weinstein (August 10, 1921 – June 15, 2021) was an American Senior District Judge of the United States District Court for the Eastern District of New York. He was on the court from 1967 to 1993 after being appointed by President Lyndon B. Johnson. From 1980 to 1988, he was Chief Judge. Weinstein was born in Wichita, Kansas.