Mariana Victoria may refer to: Mariana Victoria of Spain (1718–1781), eldest daughter of Philip V of Spain; Queen of Portugal from 1750 until 1777. Mariana Victoria of Portugal (1768–1788), granddaughter of previous; only daughter of Queen Maria I and Peter III; Infanta of Spain by marriage.
See also
Maria Anna Victoria of Bavaria (1660–1690), elder daughter of Max Emmanuel II; Dauphine of France by marriage. Princess Maria Anna Victoria of Savoy (1686–1763), daughter of Prince Louis Thomas of Savoy-Carignano; Princess of Saxe-Hilburghausen by marriage. Princess Maria Princess Anna Princess Victoria