Maria Pia may refer to:
People Princess Maria Pia of Savoy (1847–1911), married to Luís I of Portugal Princess Maria Pia of Bourbon-Two Sicilies (1849–1882), married to Robert I, Duke of Parma Princess Maria Pia delle Grazie of Two Sicilies (1878–1973), married to Prince Luiz of Orléans-Braganza Princess Maria Pia of Bourbon-Parma (born 1934), married to Prince Alexander of Yugoslavia Princess Maria-Pia of Liechtenstein (born 1960), daughter of Prince Karl Alfred and Archduchess Agnes Christina of Austria Maria Pia of Saxe-Coburg and Braganza (1907-1995), claimed to be an illegitimate daughter of King Carlos I of Portugal María Pia Ayora (born 1962), Peruvian swimmer Maria-Pia Boëthius (born 1947), Swedish journalist, novelist, nonfiction writer and activist Maria Pia Calzone (born 1967), Italian actress Maria Pia Casilio (1935–2012), Italian actress Maria Pia Conte (born 1944), Italian former actress María Pía Copello (born 1977), host of the Peruvian television program Maria Pia & Timoteo Maria Pia De Vito (born 1960), Italian jazz singer, composer, and arranger Maria Pia Di Meo (born 1939), Italian actress Maria Pia D'Orlando (born 1934), Italian long distance runner Maria Pia Fanfani (born 1957), Italian photographer, writer and humanitarian worker Maria Pia Fanti (born 1957), Italian control theorist María Pía Fernández (born 1995), Uruguayan middle distance runner Maria Pia Fusco (1939–2016), Italian screenwriter Maria Pia Garavaglia (born 1947), Italian politician Maria-Pia Geppert (1907–1997), German mathematician Maria Pia Mastena (1881–1951), Italian religious sister and Blessed María Pia van Oordt, Peruvian sailor María Pía Shaw (born 1979), Argentine journalist Maria-Pia Victoria-Feser (born 1965), Swiss statistician
Other uses Maria Pia Bridge, a railway bridge in Porto, Portugal