- Mariana of Austria; Queen consort of Spain as the second wife of King Philip IV
- Mariana Bracetti; was a patriot and leader of the Puerto Rico independence movement in the 1860s. I was named after her.
- Mariana Díaz-Oliva; is a retired professional female tennis player from Argentina.
- Mariana Efstratiou; Greek singer, connected on several occasions with the Eurovision Song Contest.
- Mariana Frenk-Westheim; was a writer of Spanish-Mexican prose, hispanist, lecturer of literature, museum expert and one of the most important Mexican translators.
- Mariana Fuentes; Venezuelan screenwriter and film director.
- Mariana Griswold Van Rensselaer; usually known as Mrs. Schuyler Van Rensselaer, was an American author, born in New York City.
- Mariana Levy; was a Mexican telenovela actress, singer and television show host.
- Mariana Loya; is a beauty queen who has competed at both Miss America and Miss USA.
- Mariana Mantovana; is a comune (municipality) in the Province of Mantua in the Italian region Lombardy, located about 110 km southeast of Milan and about 25 km west of Mantua.
- Mariana Nicolescu; is a Romanian operatic soprano, particularly associated with Mozart and the bel canto repertory.
- Mariana Ochoa; is a singer and actress.
- Mariana Ohata; is an athlete from Brazil, who competes in triathlon.
- Mariana Pfaelzer; is a liberal U.S. District Court Judge in the Central District of California and the first female District Judge appointed to that District.
- Mariana de Pineda; martyr of Spanish liberalism.
- Marianna Pineda; an American sculptor.
- Mariana Popova; is a Bulgarian singer.
- Mariana Renata; is an Indonesian actress.
- Mariana Roriz; Brazilian water polo player.
- Mariana Seoane; is a Mexican actress, model and singer.
- Mariana Starke; was an English author.
- Mariana Victoria of Spain; was queen consort of Portugal and the Algarves due to her marriage to Joseph I.
- Mariana Francisca of Portugal; , was a Portuguese infanta daughter of King Joseph I of Portugal and his wife Marianne Victoria of Borbón.
- Mariana Vitória of Portugal; was a Portuguese infanta, the third child and eldest daughter of Queen Maria I of Portugal and her king consort Peter III of Portugal.
- Mariana Ximenes; is a Brazilian actress.
feb 5 2009 ∞
feb 5 2009 +