Benjamin J. Rabin (June 3, 1896 – February 22, 1969) was an American lawyer, jurist, World War I veteran, and politician who served one term as a Democratic member of the United States House of Representatives from New York from 1945 to 1947.

Rabin left school to join the United States Navy during World War I.

In 1934–1935, Rabin served as counsel to the New York State Legislature's joint committee that investigated guaranteed mortgages.

[1] He served from January 3, 1945, until his nomination on August 7, 1947, by the Democratic judicial district convention for a vacancy as Justice of the New York Supreme Court.

In January 1955, Rabin was appointed an associate justice of the Supreme Court's appellate division for the term ending December 31, 1961.