52nd Ranger Battalion (South Vietnam)

The 52nd Ranger Battalion was a ranger battalion of the Army of the Republic of Vietnam (ARVN) during the Vietnam War. Formed in early 1964, from the amalgamation of the independent ranger companies 347th, 348th, 351st and 352nd at My Tho. The commanding officer was Captain Vong Si Dau.

On 11 November 1965, the battalion was ambushed by the VC 275th Regiment near Kim Hai hamlet, in the village of Phuoc Hoa on Route 15, in Phuoc Tuy Province and received a United States Presidential Unit Citation.

The battalion ceased to exist after the fall of Saigon on 30 April 1975.