Marta Esther Rocafort y Altuzarra, later hyphenated Rocafort-Altuzarra (18 September 1913 – 4 February 1993) was the second wife of the Count of Covadonga (previously known as Alfonso, Prince of Asturias).
Rocafort, a fashion model, was the eldest daughter of Blas Manuel Rocafort y González, a prominent Cuban dentist, and wife Rogelia Altuzarra y Carbonell.
Her siblings were Elvira and Blas Rocafort y Altuzarra, later hyphenated Rocafort-Altuzarra.
Rocafort began dating the Count in New York City before his first marriage to Edelmira Sampedro y Robato ended.
On 3 July 1937, the Count married Rocafort-Atuzarra in a civil wedding at the Spanish Embassy in Havana, Cuba, attended by the President of Cuba, Federico Laredo Brú.