Stanley Oswald Warren Blankley, MM (8 March 1896 - 2 October 1947) was the first Prime Minister of Pintona. Warren was born in Port Benedict to a family of rich blacks. His father was a doctor and could afford a large house and a private tutor for his son. Warren joined the British Army and fought in the First World War in 1917 and was awarded the Military Medal. In 1924, he joined the independence movement of Pintona and in 1930, he founded the People's Party of Pintona and worked with Norbert Berkley to lead the independence movement. When Berkley died in 1932, Warren became the leader of the independence movement.
His grandson Gilbert Warren is also a former Prime Minister.