2nd Battalion, 8th Marines (2/8) is an infantry battalion in the United States Marine Corps based in Marine Corps Base Camp Lejeune, North Carolina consisting of approximately 900 marines and sailors. Nicknamed "America's Battalion," they fall under the 8th Marine Regiment and the 2nd Marine Division.

The 8th Marine Regiment was an infantry regiment of the United States Marine Corps. When last active, it was based at Marine Corps Base Camp Lejeune, North Carolina, and fell under the command of the 2nd Marine Division and the II Marine Expeditionary Force. The regiment was decommissioned on January 28, 2021, as a result of ongoing force design efforts.