| María del Rosario de Silva | |
| Honorific Prefix: | The Most Excellent |
| Spouse: | Jacobo Fitz-James Stuart, 17th Duke of Alba |
| Issue: | Cayetana Fitz-James Stuart, 18th Duchess of Alba |
| Full Name: | María del Rosario de Silva y Gurtubay |
| Noble Family: | House of Híjar, House of Silva |
| Father: | Alfonso de Silva, 16th Duke of Híjar |
| Mother: | María del Rosario Gurtubay y González de Castejón |
| Birth Date: | 4 April 1900 |
| Birth Place: | Madrid, Spain |
| Death Place: | Madrid, Spain |
| Place Of Burial: | Monastery of Inmaculada Concepción (Loeches) |
Doña María del Rosario de Silva y Gurtubay, Duchess of Alba de Tormes, 9th Marchioness of San Vicente del Barco, GE (4 April 1900 - 11 January 1934) was a Spanish aristocrat and socialite.
María was born in Madrid, Spain on 4 April 1900. She was the sole heiress of all the titles of her father, Alfonso de Silva, 16th Duke of Híjar, and of the fortune of her mother, María del Rosario Gurtubay, the young Marchioness was one of the beauties of her time.
She married in London, on 7 October 1920, to Jacobo Fitz-James Stuart, 17th Duke of Alba, thus becoming the Duchess of Alba. Before her death, they were the parents of a daughter:[1]
The Duke and Duchess travelled to the United States in 1924, visiting Chicago, New York, Washington, and Long Island.[3]
She stayed with her family in the Liria Palace in Madrid and died there of tuberculosis on 11 January 1934, aged only 33.[3]