A gunman opened fire at the American Civic Association in Binghamton, New York, U.S., killing thirteen and wounding four before committing suicide.

On April 3, 2009, a mass shooting occurred at the American Civic Association immigration center in Binghamton, New York. At approximately 10:30 a.m. EDT, Jiverly Antares Wong entered the facility and killed thirteen people and wounded four others before committing suicide.

The American Civic Association is an immigration services organization located in Binghamton, New York, that provides community integration services to immigrants and refugees in the Greater Binghamton region. It is unrelated to a former national organization and entity of the same name from the early 20th century.

Binghamton is a city in the U.S. state of New York, and serves as the county seat of Broome County. Surrounded by rolling hills, it lies in the state's Southern Tier region near the Pennsylvania border, in a bowl-shaped valley at the confluence of the Susquehanna and Chenango rivers. The population was 47,969 at the 2020 census. Binghamton is the principal city of the Binghamton metropolitan area, home to a quarter million people.