The 2nd Arkansas Infantry Battalion (1861–1862) was a Confederate Army infantry battalion during the American Civil War. The 2nd Arkansas Infantry Battalion was one of only three Arkansas units which served in Virginia during the Civil War. The 1st Arkansas Infantry Regiment arrived in Virginia in June 1861, and was present, though not engaged, at the battle of Manassas (Bull Run) in July. The 3rd Arkansas Infantry Regiment arrived in Virginia in July 1861, and was sent to the mountains of western Virginia.