Rafael Valdomiro Greca de Macedo (born 17 March 1956) is a Brazilian engineer and politician, and the current mayor of Curitiba.

He was minister of sport and tourism (1999–2000), state deputy (2003–06) and federal deputy from Paraná (2000–03).

Greca was also mayor of Curitiba (from 1993 to 1996).

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