9th Cavalry may refer to:
Divisions 9th Cavalry Division (German Empire) 9th Cavalry Division (Russian Empire) 9th Cavalry Division (Soviet Union)
Brigades 9th (Secunderabad) Cavalry Brigade 9th Cavalry Brigade (United Kingdom)
Regiments 9th Cavalry Regiment (United States) 2/9th Cavalry Commando Regiment (Australia) 9th Bengal Lancers 9th Hodson's Horse
American Civil War regiments Union Army 9th Illinois Cavalry Regiment 9th Iowa Cavalry Regiment 9th Kansas Cavalry Regiment 9th Kentucky Cavalry Regiment 9th Michigan Cavalry Regiment 9th Missouri State Militia Cavalry Regiment 9th New York Cavalry Regiment 9th Ohio Cavalry Regiment 9th Pennsylvania Cavalry Regiment 9th Tennessee Cavalry Regiment
Confederate Army 9th Louisiana Cavalry Regiment 9th Mississippi Cavalry Regiment 9th Texas Cavalry Regiment 9th Virginia Cavalry Regiment Cobb's Legion, sometimes called the 9th Georgia Cavalry
See also 9th Division (disambiguation) 9th Brigade (disambiguation) 9th Regiment (disambiguation) 9th (disambiguation)