José María de Areilza y Martínez-Rodas, Count of Motrico (3 August 1909, in Portugalete, Vizcaya – 22 February 1998, in Madrid) was a Spanish politician, engineer and ambassador.

Between 1947 and 1964 he served as Spanish Ambassador to Buenos Aires, Washington DC and Paris.

In 1976, along with Pío Cabanillas he founded the short-lived People's Party, which later became part of the UCD, although he left after disagreements with Adolfo Suárez.

In 1979 he was elected to the Congress of Deputies for Madrid district for the Coalición Democrática.

In 1981 he became President of the Assembly of the Council of Europe and in 1997 he was elected member of the Spanish Royal Academy.