Domingos Teixeira de Abreu Fezas Vital GOC, GCIH, ComIH (born 27 September 1958) is a Portuguese diplomat.

[2] Fezas Vital graduated from Federal University of Rio de Janeiro, Brazil, with a bachelor's degree in social and judicial sciences.

[3] Throughout his diplomatic career Fezas Vital has held posts not only in embassies but also in international organisations, which Portugal is a member in, namely as a Portuguese representative to NATO and the Western European Union.

In 1996, three years before transfer of sovereignty over Macau, he was appointed diplomatic adviser to Governor Vasco Joaquim Rocha Vieira.

After serving in the United States, Domingos Fezas Vital was appointed, in 2021, Portuguese Ambassador to the Holy See.