Sabino Policarpo Arana Goiri, self-styled as Arana ta Goiri'tar Sabin (26 January 1865 – 25 November 1903), was a Spanish writer.
He was the founder of the Basque Nationalist Party (PNV) and father of Basque nationalism.
He died in Sukarrieta at the age of 38 after falling ill with Addison's disease during time spent in prison.
He had been charged with treason for attempting to send a telegram to President Theodore Roosevelt, in which he praised the United States for helping Cuba gain independence from Spain.