Posthumous Citizenship for Binghamton Victims Act - Directs the Secretary of Homeland Security to provide for the granting of citizenship as of April 2, 2009, to an individual otherwise eligible for naturalization who: (1) was, as of April 2, 2009, an alien or U.S. national; (2) died as a result of an injury incurred during the April 3, 2009, shooting at the American Civic Association Community Center in Binghamton, New York; and (3) was not culpable for an act that was a cause of an injury during such shooting.

Prohibits the granting of derivative immigration benefits to surviving relatives of an individual granted posthumous citizenship under this Act.