There have been several military units called 141st Regiment:
141st Aviation Training Regiment, unit of the Yugoslav Air Force 141st Field Artillery Regiment 141st Infantry Regiment "Catanzaro" 141st Infantry Regiment (United States) 141st Special Motorized Regiment 141 Regiment Royal Armoured Corps
American Civil War regiments 141st Indiana Infantry Regiment 141st Illinois Infantry Regiment 141st New York Infantry Regiment 141st Ohio Infantry Regiment 141st Pennsylvania Infantry Regiment