That brings the total number of golds for the host nation to seven, putting them temporarily on top of the leader board.
They will also collect a gold in men's handball, but that event still has one game to play.
Rowers Pham Thi Ngoc Anh, Le Thi Hien, Ha Thi Vui and Du Thi Bong successfully finished first in the women’s fours event at the Thuy Nguyen Rowing Training Centre in Hai Phong City.
The hosts crossed the finish line in 7min 4.058sec, leaving Indonesian quartet far behind at 7:16.53.
Thailand came third with a time of 7:22.455.
The second gold of Vietnam is in the women's quadruple sculls by Pham Thi Thao, Dinh Thi Hao, Ho Thi Ly and Pham Thi Hue.
They rowed to the finish with a time of 7:13.207, nearly 11 seconds faster than Indonesian team (7:23.614) in second.
The Philippines were at third finishing with a time of 7:28.879.
Vietnamese rowers also secure two bronzes this morning.
In the pencak silat arena in Hanoi, Nguyen Thi Thu Ha, Nguyen Thi Huyen and Vuong Thi Binh championed the women’s regu (trio) seni (performance) event.
They beat Brunei in the final.
Vietnam earlier pocketed a silver in the women’s ganda (duo) event after losing to Indonesia in the final.
Source: Vietnam News