Maria Luiza may refer to:
People Maria Luiza Albuquerque (born 2011), Brazilian rhythmic gymnast Maria Luiza Beatris de Menezes Bragança (1916–1983), Indian freedom fighter and research scientist, first dean of Tata Memorial Hospital Maria Luísa Mendonça (born 1970), Brazilian actress Maria Luiza Petzl-Erler, Brazilian biologist and immunologist Maria Luiza Ribeiro Viotti (born 1954), Brazilian diplomat and Ambassador of Brazil to the United States
Other uses Maria Luiza Boulevard, a central boulevard in Sofia, Bulgaria Knyaginya Maria Luiza Metro Station
See also Maria Luisa Mary Louise (disambiguation)