Sérgio Vieira may refer to:
*
Sérgio Vieira (football manager)
Sérgio Agostinho de Oliveira Vieira (born 15 January 1983) is a Portuguese football manager who is in charge of Liga Portugal 2 club Académico de Viseu.
After a brief amateur playing career as a forward, he began coaching in 2005. He led ...
(born 1983), Portuguese football manager
*
Sérgio Vieira (racewalker) (born 1976), Portuguese race walker
*
Sérgio Vieira de Mello
Sérgio Vieira de Mello (; 15 March 1948 – 19 August 2003) was a Brazilian United Nations diplomat who worked on several UN humanitarian and political programs for over 34 years. The Government of Brazil posthumously awarded the Sergio Vieira ...
(1948–2003), Brazilian diplomat
{{hndis, name=Vieira, Sérgio