Wilson da Silva Piazza , surnamed Piazza, (born 25 February 1943 in Ribeirão das Neves), is a former Brazilian footballer. He played as defensive midfielder and centre-back, in particular with Cruzeiro E.C. and the Brazilian national team.
He was a member of the Brazilian team that won the 1970 World Cup.
He was a member of the Cruzeiro team which won the 1976 Copa Libertadores.
Piazza made 47 appearances for the Brazilian national team between 1969 and 1975. He played for them in both the 1970 and 1974 World Cups, appearing in six games in 1970, including the final.