25 March 1811, Otavalo – d. 4 June 1878, Quito) was the first First Lady of Ecuador, serving in that capacity twice alongside her husband, Juan José Flores.

[1][2] Mercedes and her ten older siblings were born into a respected and influential, as well as rich, family.

[3] Through her father, Mercedes had noble blood from the County of Jijón [es], which allowed her to launch litigation to claim the title from her cousin, albeit unsuccessfully.

[4] After the Ecuadorian War of Independence and the annexation of the Real Audiencia of Quito into Gran Colombia, the Venezuelan general Juan José Flores was designated Prefect of the Ecuador Department.

[4][5][6][7] Floreana Island in the Galápagos Archipelago was renamed Mercedes in her honor, although this was later changed to commemorate her husband instead.