'''158th Regiment''' may refer to:
*158th Aviation Regiment, United States *158th Cavalry Regiment, United States *158th Field Artillery Regiment, United States *158th Infantry Regiment (United States) *158th Regiment Royal Armoured Corps *158 Regiment RLC
==American Civil War regiments== *158th Indiana Infantry Regiment *158th New York Infantry Regiment *158th Pennsylvania Infantry Regiment
==See also== *158th Division (disambiguation)
{{Regiments by number}} {{mil-unit-dis}}