Marechal Deodoro is Marshal Deodoro da Fonseca (1827–1892), the first President of Brazil.
Marechal Deodoro may also refer to:
Marechal Deodoro, Alagoas, a town in Brazil named after Deodoro da Fonseca Marechal Deodoro (São Paulo Metro), a train station
See also Deodoro (disambiguation)