The 18th Independent Battery New York Light Artillery was an artillery battery that served in the Union Army during the American Civil War.

The unit was organized in September 1862 and shipped to New Orleans.

The battery fought at Fort Bisland, Vermilion Bayou, Plains Store, and Port Hudson in 1863.

Left Rochester for New York City on November 18.

Reserve Artillery, 19th Army Corps, Defenses of New Orleans, La.

Siege Artillery, Canby's Forces, Military Division West Mississippi, to July 1865.

Duty in the Defenses of New Orleans and in the District of Baton Rouge until February 1865.

Campaign against Mobile, Ala., and its defenses March 17 – April 12, 1865.

[3] Battery lost during service 3 Enlisted men killed and mortally wounded and 23 Enlisted men by disease.