The four restaurants are Anan Saigon, Gia, Hibana by Koki, Gia and Tam Vi.
Hibana by Koki, Gia and Tam Vi received one star each at a ceremony on Tuesday night.
The Anan Saigon restaurant in Ho Chi Minh City was also awarded a star at the ceremony.
Anan Saigon in District 1 was the only restaurant entering the best 50 in Asia earlier this year.
Seventy local restaurants were named in the Michelin Selected group, with 32 in Ha Noi and 38 in HCMC. Some prominent names include Cha Ca Anh Vu, Bun Cha Huong Lien, A Ban Mountain Dew and Pho Ga Cham.
The Bib Gourmand group included 29 restaurants in Viet Nam, with 13 in Ha Noi and 16 in HCMC. Prominent names included 1946 Cua Bac, Bun Cha Ta, Cha Ca Thang Long and Chao Ban.
Three Michelin Guide Special Awards were also handed out in Viet Nam, with the Sommelier Award given to Yu Yamamoto, the Service Award given to chef Nguyen Thi Nu of Vietnam House, and the Young Chef Award given to chef Sam Tran of Gia.
In the Michelin system, one star signifies a "very good restaurant," two stars is considered "excellent cooking that is worth a detour," and three stars means "exceptional cuisine that is worth a special journey."
According to the Michelin Guide website, there are currently over 3,000 Michelin-starred restaurants in nearly 40 different countries./.