The 6th Arkansas Cavalry Regiment or the 1st Trans-Mississippi Cavalry Regiment (also known as "Fagan's regiment" or "Monroe's regiment") was a cavalry formation of the Confederate States Army in the Trans-Mississippi Theater of the American Civil War.

It was successively commanded by Colonels James F. Fagan and James C.

[1] This article incorporates public domain material from Civil War Soldiers and Sailors System.

National Park Service.

This article about a specific military unit of the American Civil War is a stub.