The 36-year-old beauty, who is a business woman based in the south of the country, successfully surpassed 30 strong rivals to ultimately win the title.
The first and second runners-up spots went to Nguyen Thi Duc Hanh and Vu Phuong Dung, respectively.
Bich Hanh stands at 1.70 metres tall and measures 90-68-102. She will go on to represent the country to compete at the Mrs World beauty pageant which is expected to take place in the United States in December.
The main purpose of Mrs World Vietnam 2022 is to honour the beauty and talent of Vietnamese women aged 26 to 50 who are currently living and working in the country.