Marquess of O'Shea is a noble title in the peerage of Spain, bestowed on Paloma O'Shea, by King Juan Carlos I on 11 July 2008.

It was granted in recognition of her vast contribution to music and patronage in Spain.

[2] The Marchioness of O'Shea was married to the late Emilio Botín, Executive Chairman of Banco Santander,[3] and is the mother of Ana Botín,[4] who succeeded him in 2014, becoming the 9th most powerful woman in the world, according to Forbes.

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