Íñigo Méndez de Vigo y Montojo, 9th Baron of Claret (born 21 January 1956) is a Spanish politician.

[3] Íñigo Méndez de Vigo y Montojo is a fourth cousin once removed of Felipe VI through common descent from Queen Maria Cristina, Consort and later Regent of Spain.

[4] Méndez de Vigo has a brother, Pedro, an army officer, and two sisters, Beatriz and Valeria, one of whom is the secretary general of the National Intelligence Center, and the other for a non-governmental organisation.

Following the completion of his military service with the rank of lieutenant and after passing the public exams, he became legal advisor to the Cortes Generales in 1981.

Méndez de Vigo served as the European People's Party co-ordinator on the Committee on Constitutional Affairs from 1994 and on its Committee on Economic and Monetary Affairs (2009–2011), as well as: Between 2006 and 2007, Méndez de Vigo served as member of the Amato Group, a group of high-level European politicians unofficially working on rewriting the Treaty establishing a Constitution for Europe into what became known as the Treaty of Lisbon following its rejection by French and Dutch voters.