This article is a list of known military operations of the Vietnam War in 1971, conducted by the armed forces of the Republic of Vietnam, the Khmer Republic, the United States and their allies.
| Date Duration | Operation Name | Unit(s) – Description | Location | VC - PAVN KIAs | Allied KIAs | |
|---|---|---|---|---|---|---|
| Jan 1 – Mar 13 | Operation Greene Storm[1] | 173rd Airborne Brigade operation | Bình Định, Phu Bon and Pleiku Provinces | |||
| Jan 1 – Mar 31 | 173rd Airborne Brigade operation | |||||
| Jan 1 – Apr 31 | Redeployment of the 1st Cavalry Division, 2nd Brigade, 25th Infantry Division and 11th Armored Cavalry Regiment from South Vietnam to the United States | |||||
| Jan 4 – 21 | Operation Golden Dragon II[2] | ROK 2nd Marine Brigade clear and search operation | 1 | |||
| Jan 11 – Mar 29 | 1st Reconnaissance Battalion, 1st Battalion, 1st Marines and 1st Battalion, 11th Marines search and destroy operation | |||||
| Jan 30 – Feb 5 | Operation Dewey Canyon II[3] | 1st Brigade, 5th Infantry Division, 101st Airborne Division and 2nd Squadron, 17th Cavalry Regiment operation to support the ARVN Operation Lam Son 719 effort to open Route 9 through Khe Sanh to the Laotian border and to reestablish Khe Sanh as a major combat support base | estimated 75 | |||
| Feb 2 – Mar 8 | 173rd Airborne Brigade reconnaissance operation | |||||
| Feb 3 – Mar 10 | III MAF, ROK 2nd Marine Brigade and ARVN 51st Regiment operation | |||||
| Feb 8 – Mar 25 | 2163 | 1529 ARVN KIA, 625 MIA, 215 US KIA, 38 MIA | ||||
| Mar 1 – Jul 1 | Operation Finney Hill[4] | 11th Infantry Brigade and 198th Infantry Brigade operation | 781 | 93 | ||
| Mar 1 – Jul 1 | 196th Infantry Brigade, 198th Infantry Brigade and ARVN 2nd Division operation | Quang Tin and Quảng Ngãi Provinces | 463 | |||
| Mar 9 | 198th Infantry Brigade POW recovery operation | |||||
| Mar 13 – 27 | 198th Infantry Brigade and ARVN 2nd Division clear and search operation in | |||||
| Mar 14 – Apr 21 | 173rd Airborne Brigade operation | |||||
| Apr 8 – Jul 11 | Operation Montana Mustang[5] | 91 | 57 | |||
| Apr 29 – Jul 1 | 196th Infantry Brigade operation | |||||
| May 1 – June 30 | Redeployment of three infantry battalions and one air cavalry squadron from South Vietnam to the United States | |||||
| May 4 – 31 | Operation Toan Thang TT02[6] | |||||
| May 4 – June 29 | Operation Quyet Thang 208[7] | ARVN 2nd Division and 71st Assault Helicopter Company operation | Quang Tin, Quảng Ngãi and Kon Tum Provinces | |||
| June 6–7 | Operation Overlord[8] | 6–7 June 1971 | ||||
| Jul | Operation Iron Fox[9] [10] | 12 | 1 | |||
| Jul 1 – Aug 31 | Redeployment of the 173rd Airborne Brigade from South Vietnam to the United States | |||||
| Jul 1 – Oct 4 | Unnamed [11] | 23rd Infantry Division operation | 324 | |||
| Aug 20 – Dec 3 | Operation Chenla II[12] | 3500+ claimed | 4500+ claimed | |||
| Sep 1 – Nov 30 | Redeployment of the 23rd Infantry Division, 11th Infantry Brigade and 198th Infantry Brigade from South Vietnam to the United States | |||||
| Sep 6 – 25 | Operation Lam Son 810[13] | ARVN operation with US support to disrupt the flow of PAVN supplies | 175 | 75 | ||
| Sep 18 – Oct 2 | Operation Ivanhoe[14] | 5 | ||||
| Sep 28 – Oct 2 | 3/1 Cavalry and 2nd Squadron, 11th Armored Cavalry Regiment security operation for the withdrawal of US personnel | |||||
| Dec 1 – Jan 31 72 | 101st Airborne Division redeployment from South Vietnam to the United States | |||||
| Dec 26 – 30 | Operation Proud Deep Alpha[15] | USAF and USN bombing operations | Route Package 1 south of the 20th Parallel | 7 |