The 2nd Infantry Division also known as Quảng Đà Division or Steel Division is a division of the People's Army of Vietnam (PAVN), first formed from Viet Cong (VC) and PAVN units in October 1965. The first commander and the first commissar of the division were Colonel Nguyễn Năng and Senior Colonel Nguyễn Minh Đức respectively.

The Division was formed on 20 October 1965 from the 1st (Ba Gia) Regiment and the 21st Regiment which had just arrived from North Vietnam.

The Division was under the command of the PAVN B1 Front.

In mid-1966 the newly-arrived 31st Regiment was added to the Division.

In February 1967 the Division's 21st Regiment was engaged by South Korean forces, losing over 1,000 killed in 2 separate battles northwest of Quảng Ngãi.

From 21 April to 5 June 1967, the Division was the target of US Marine Corps' Operations Union and Union II in the Quế Sơn Valley losing over 1,400 killed.

In early August 1967 the Division's 1st and 21st Regiments were the target of Operation Hood River, losing 166 killed.

In September 1967 the B1 Front ordered the Division back into the Quế Sơn Valley.