The 93rd New York Infantry Regiment (aka "Morgan Rifles") was an infantry regiment in the Union Army during the American Civil War.

The 93rd New York Infantry was organized at Albany, New York between October 1861 and January 1862, and mustered in for three years service under the command of Colonel John S. Crocker.

The regiment was attached to 3rd Brigade, 3rd Division, IV Corps, Army of the Potomac, to May 18, 1862.

2nd Brigade, 3rd Division, II Corps, Army of the Potomac, to June 1865.

March 7, 1862 - Departed New York City and arrived in Washington, D.C. March 30, 1862 - Embarked at Alexandria, Virginia for the Virginia Peninsula.

May 19 to June 25, 1862 - Companies B, C, D, E, G, and I held duty at White House Landing.

July to October 1863 - Guard duty along the Rappahannock River.