Battery I, 1st New York Light Artillery Regiment was an artillery battery from New York state that served in the Union Army during the American Civil War.

It fought at Cross Keys and Second Bull Run in 1862.

Battery I fought at Chancellorsville, Gettysburg, and Chattanooga in 1863.

It participated in the Atlanta campaign and Sherman's March to the Sea in 1864 and fought at Bentonville in 1865.

The battery took part in the Grand Review of the Armies and was mustered out in June 1865.

Attached to Blenker's Division, Army of the Potomac, to March, 1862.

3rd Brigade, Blenker's Division, Mountain Department, to June, 1862.

Reserve Artillery, 1st Corps, Army of Virginia, to September, 1862.

Artillery Brigade, 11th Army Corps, Dept.

Artillery, 2nd Division, 11th Army Corps, to April, 1864.

Artillery Brigade, 20th Army Corps, to June, 1865.

Ordered to join Fremont in West Virginia, and pursuit of Jackson up the Valley April and May.

Operations about Rocky Faced Ridge, Tunnel Hill, and Buzzard's Roost Gap May 8–11.

Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5.

Ruff's Station, Smyrna Camp Ground, July 4.

[1] Battery lost during service 1 Officer and 12 Enlisted men killed and mortally wounded and 1 Officer and 15 Enlisted men by disease.

[1] At the Battle of Kolb's Farm on 22 June 1864, Battery I commanded by Lieutenant Charles E. Winegar was armed with 3-inch Ordnance rifles.

While assisting in the defense of Alpheus S. Williams' division, the guns fired canister and spherical case shot to repulse a Confederate infantry attack.