José Antonio Aguirre y Lecube (6 March 1904 – 22 March 1960) was a Basque politician and activist in the Basque Nationalist Party.
He was the first president of the Provisional Government of the Basque Country, as well as the executive's defense advisor during the Spanish Civil War.
Under his mandate, the Provisional Government formed the Basque Army and fought for the Second Spanish Republic.