9th Regiment

9th Regiment may refer to:


 * Great Britain
 * 9th Regiment of Foot


 * Philippine Commonwealth
 * 9th Infantry Regiment (Philippine Commonwealth Army)
 * 9th Infantry Regiment (Philippine Constabulary) - The 9th Infantry Regiment of the Philippine Constabulary was the military founded and active on 1944 to 1946 under the U.S. military command during the Liberation and they stationed on Leyte and Samar at Eastern Visayas, Philippines.


 * United States
 * 9th Marine Regiment (United States)
 * 9th Infantry Regiment (United States)


 * France
 * 9th Parachute Chasseur Regiment


 * Italy
 * 9th Parachute Assault Regiment