# List of allied military operations of the Vietnam War (1964)

This article is a list of known military operations of the Vietnam War in 1964, conducted by the armed forces of the Republic of Vietnam, the United States and their allies.
| Date Duration | Operation Name | Unit(s) – Description | Location | VC–PAVN KIAs | Allied KIAs |
| 64 – 65 | Operation DeSoto I | US Navy and Republic of Vietnam Navy operation along the coast of North Vietnam to provoke coastal radar installations so electronic intelligence (ELINT) ships could record the resulting transmissions | South China Sea | | |
| Jan 5 | Unnamed | ARVN operation supported by U.S. aircraft to encircle a Viet Cong battalion | Long An province | | |
| Jan 18 | Unnamed | 115 helicopters carry 1,100 ARVN troops in the largest air assault of the war to date | north of Biên Hòa, Long Khánh province | | |
| Apr 18 | Operation Lam Son 115 | ARVN 32nd Ranger Battalion and HMM-364 operation | A Shau Valley | | |
| Apr 27 – May 25 | Operation Quyet Thang 202 | ARVN and HMM-364 air assault | Do Xa area, 46 km west of Quảng Ngãi, border of Quảng Ngãi and Kon Tum provinces | 62 | 23 |
| May 4 | Operation Chuong Duong 10 | ARVN operation | Pleiku province | | |
| May 15 – Oct 1 | Operation Leaping Lena | ARVN, CIDG and 5th Special Forces long-range patrolling to provide the groundwork for the formation of a combined American-South Vietnamese special reconnaissance unit capable of conducting the most hazardous and critical missions inside the country as required by MACV and the Vietnamese Joint General Staff. Renamed Project DELTA in October 1964 | throughout South Vietnam | | |
| May 19 | Operation Yankee Team | USAF reconnaissance | Laos | | |
| May 24 | Unnamed | ARVN operation | Can Giao, Gia Định province | | |
| May 29 | Operation Dan Chi 132 | ARVN operation | Chuong Thien | | |
| May 30 | Operation Chinh Nghia | ARVN operation | 14 km southeast of Biên Hòa, Biên Hòa province | | |
| May 31 | Operation Quyet Thang 303 | ARVN operation | 40 km northeast of Toumorong, Kon Tum province | | |
| Jun 2 | Unnamed | ARVN operation | northwest of Phuoc Vinh, Tây Ninh province | | |
| Jun 16 – Jul 12 | Operation Quyet Thang 404 | ARVN operation | Phú Yên province | | |
| Jun 17 | Operation 33-64 | ARVN operation | Rung Sat Special Zone, Gia Định province | | |
| Jul 9 | Unnamed | ARVN operation | 13 km southeast of Thủ Đức, Gia Định province | | |
| Jul 10 | Operation Chinh Nghia 36 | ARVN operation | 6 km south of Đức Hòa, Hậu Nghĩa province | | |
| Jul 14–16 | Operation Quang Ngai 16 | ARVN operation | 14 km west-southwest of Sơn Tịnh, Quảng Ngãi province | | |
| Jul 23 - 30 | Operation Le Loi 9 | ARVN operation | 24 km southwest of An Tức, Pleiku province | | |
| Jul 26 | Unnamed | ARVN operation | 46 km east of Lac Thien, Darlac province | | |
| Aug 2 | Unnamed | ARVN operation | 7 km west of Tuy An, Phú Yên province | | |
| Aug 4 | Unnamed | ARVN operation | 17 km southeast of Gò Công | | |
| Aug 5 | Operation Pierce Arrow | US Navy airstrikes against North Vietnamese torpedo boat bases and POL facilities in response to the Gulf of Tonkin incident | Hon Gai, Loc Chao, Quảng Khê, Bến Thủy, and Vinh | | 1 |
| Aug 11–17 | Operation Chinh Nghia | ARVN assault on a Viet Cong base area | III Corps | | |
| Aug 12 | Unnamed | ARVN operation | 30 km northeast of Le Trung, Pleiku province | | |
| Aug 13 | Operation Tu Cuong 124 | ARVN operation | 5 km east of Đức Phổ, Quảng Ngãi province | | |
| Aug 15 | Operation Dan Chi 54 | ARVN operation | Thừa Thiên province | | |
| Aug 17 | Operation Quyet Thang 606 | ARVN operation | 43 km northwest of Cheo Reo, Phu Bon province | | |
| Aug 19–22 | Operation Lien Lu 7 | ARVN operation | 11 km north of Tây Ninh city | | |
| Aug 20–29 | Operation Thăng Long 18 | ARVN operation | 27 km northwest of Le Trung, Pleiku province | | |
| Aug 27–29 | Operation Bình Thuận 39 | ARVN operation | 11 km north of Muong Man, Bình Thuận province | | |
| Sep 1 – mid 1965 | Operation Hop Tap | ARVN operation in an effort to push government control outward from Saigon into the surrounding six provinces of. Forces included the ARVN 5th Division and the Airborne and Marine Brigades. Two regiments of the ARVN 25th Division provided local security along with Regional Forces and Popular Forces, National Police and hamlet militia | Gia Định, Biên Hòa, Bình Dương, Hậu Nghĩa, Long An, and Phước Tuy provinces | | |
| Oct 1 – Jun 30 1970 | Operation Project Delta | Project DELTA operated country-wide under the direction of MACV as approved by the South Vietnamese Joint General Staff | throughout South Vietnam | | |
| Oct 17–19 | Operation Dan Chi 80 | ARVN operation | Ba Xuyen province | 123 | |
| Nov 18 | Unnamed | U.S.-Vietnamese air and ground search for a supposed VC stronghold | Bình Dương and Tây Ninh provinces | | |
| Dec 14 – Mar 29 1973 | Operation Barrel Roll | The bombing of Laos by U.S. forces, to support the Royal Lao Army and CIA-trained Hmong | Laos | | |
| Dec 27–29 | Operation Dan Chi 100-50 | ARVN operation against the VC 207th, 303rd, 306th, and U Minh I Battalions | 15 km east of Sóc Trăng, Ba Xuyen province | | |