Nádia Campeão (born 27 February 1958) is a Brazilian engineer and politician, member of the Communist Party of Brazil (PCdoB).

Graduated in agronomic engineering for the ESALQ-USP, Nádia joined the Communist Party of Brazil in 1978.

Mercadante was defeated in the first round by José Serra of the Brazilian Social Democracy Party (PSDB).

In 2012, was elected Vice Mayor with Fernando Haddad of the Workers' Party (PT).

[4] In the next year, Campeão assumed the presidency of the organizer committee that defended São Paulo candidacy as host of Expo 2020.