Miguel Grau (1834–1879) was a Peruvian naval officer.
Miguel Grau may also refer to:
People Miguel Grau (football manager) (born 1984), Spanish football manager
Organisations Miguel Grau de Abancay, Peruvian football club
Places Estadio Miguel Grau (disambiguation), various stadiums in Peru Miguel Grau Avenue (disambiguation), various streets in Peru Miguel Grau metro station in Lima, Peru
See also Almirante Grau (disambiguation), topics named after Miguel Grau including his rank as admiral