They won Japan 2-0 to advance to the semi-finals, and then defeated Laos 2-0 for a berth in the final.
Indonesia quickly lost steam and conceded a 0-2 defeat.
Last year, Vietnam won the title after 16 years, defeating hosts Thailand in the final match.
Prior to the gold, the Vietnamese athletes also won a silver in the men's hoop and a bronze in the women's hoop (kicking takraw balls into a hoop hung in the air), a bronze in the women's regu (team of three), a bronze in the men's quad, and a silver in the women's team regu events.
The 36th world championship was organised from July 9-16, bringing 36 teams from around the world. Vietnam sent a team of 33 athletes to compete in all eight categories for both men and women.
