Louis (Lou) Rosenblum (15 November 1923 – 4 April 2019) was an American research scientist and activist. His works were about the movement for freedom of Jews of the Soviet Union. He was a founder of the first organization to support the freedom of Soviet Jews. He was a research scientist at the National Aeronautics and Space Administration (NASA) Lewis Research Center.
He was born in Brooklyn, New York. Rosenblum died on 4 April 2019 at his home in Wellesley, Massachusetts at the age of 95.