Vieira is a Galician and Portuguese surname. It is the Galician and Portuguese word for "scallop".
The surname may refer to:
Adelino André Vieira de Freitas (Vieirinha, born 1986), Portuguese footballer
Alessandro Rosa Vieira (Falcão, born 1977), Brazilian futsal player
Alice Vieira (born 1943), Portuguese writer
Álvaro Siza Vieira (born 1933), Portuguese architect
Anton de Vieira (1682?–1745), Russian administrator
António Vieira (1608–1697), Portuguese Jesuit and writer
Asia Vieira (born 1982), Canadian actress
Cláudia Vieira (born 1978), Portuguese actress
Carlos Adriano de Souza Vieira (Adriano Gabiru, born 1977), Brazilian footballer
Francisco de Matos Vieira (Vieira Lusitano, 1699–1783), Portuguese royal painter, illustrator and engraver
Jelon Vieira, Brazilian choreographer
João Bernardo Vieira (1939–2009), Guinea-Bissau politician
Jorvan Vieira (born 1953), Brazilian-Portuguese football coach
José Luandino Vieira (born 1935), Angolan writer
Jussiê Ferreira Vieira (Jussiê, born 1983), Brazilian footballer
Leonel Vieira (born 1969), Portuguese film director
Leandro Ricardo Vieira (born 1979), Brazilian footballer
Luís Filipe Vieira (born 1949), president of S.L. Benfica
Marcelo Vieira da Silva Júnior (Marcelo, born 1988), Brazilian footballer
Meredith Vieira (born 1953), American journalist and TV host
Milton Vieira (born 1978), Brazilian martial artist
Patrick Vieira (born 1976), French footballer and coach
Paulo Afonso Evangelista Vieira (born 1958), Brazilian politician
Ronaldo Vieira (footballer, born 1998), Bissau-Guinean footballer
Ronaldo Vieira (footballer, born 1990), Brazilian footballer
Sérgio Vieira de Mello (1948–2003), Brazilian diplomat
Vasco Joaquim Rocha Vieira (born 1939), last Portuguese Governor of Macau
