1st Division (South Vietnam)

1st Division
160px 1st Division SSI
Active	1959–75
Country	South Vietnam
Branch	22x20px Army of the Republic of Vietnam
Role	Infantry
Part of	I Corps
Garrison/HQ	Huế
Engagements	Vietnam War Battle of Khe Sanh Tet Offensive Operation Lam Son 719 First Battle of Quảng Trị Hue–Da Nang Campaign
Commanders
Notable commanders	Nguyễn Khánh Tôn Thất Đính Nguyễn Văn Thiệu Đỗ Cao Trí Nguyễn Chánh Thi Ngô Quang Trưởng Phạm Văn Phú

The 1st Division of the Army of the Republic of Vietnam (ARVN)—the army of the nation state of South Vietnam that existed from 1955 to 1975—was part of the I Corps that oversaw the northernmost region of South Vietnam, the centre of Vietnam.

The 1st Division was based in Huế, the old imperial city and one of two major cities in the region, which was also the corps headquarters.