From Brazil, visitors can apply for a visa through one of the embassy of Vietnam in Brazilbelow or apply for a Vietnam visa  online. Here below is the specific address of Vietnam Embassy you may concern:

Embassy of Vietnam in   Brazilia,  Brazil
Shis Q1 05, Conjunto 14, Casa 21, Lago Sul, CEP: 71615-140,   Brasilia/DF,  Brasil
Tel: (5561) 364 5876 (5561) 364 7587
Fax: (5561) 364 5836

Besides, citizens in Brazil can select among 3 options to get visa to Vietnam:

–          Visit Vietnam Embassy in Brazil or in any other countries to get Vietnam visa done there.

–          Apply for Vietnam visa on arrival at https://vietnamvisaonentry.com/apply-online/ and pick up your visa at one of 3 international airports in Vietnam

–          Apply for Vietnam visa code at https://vietnamvisaonentry.com/apply-online/ and get visa stamped at Vietnam Embassy where you wish to pay a visit to.