6th Arkansas Infantry (June 10, 1861 – April 26, 1865) was a Confederate Army infantry regiment during the American Civil War. Organized mainly from volunteer companies, including several prewar volunteer militia units, raised in the southern half of Arkansas, the regiment was among the first transferred to Confederate Service. It served virtually the entire war in Confederate forces east of the Mississippi River. After the unit sustained heavy casualties during the Battle of Shiloh and Bragg's Kentucky Campaign, the unit spent most of the rest of the war field consolidated with the 7th Arkansas Infantry Regiment, to form the 6th/7th Arkansas Infantry Regiment.