127th Regiment may refer to:
127th Field Artillery Regiment 127th Baluch Light Infantry 127th Infantry Regiment (United States) 127th Regiment of Foot
American Civil War regiments 127th Illinois Infantry Regiment 127th New York Infantry Regiment 127th Ohio Infantry Regiment, later redesignated the 5th United States Colored Infantry Regiment 127th Pennsylvania Infantry Regiment 127th United States Colored Infantry Regiment
See also 127th Brigade (disambiguation) 127th Division (disambiguation) 127th (disambiguation)