José Agripino Barnet y Vinagres (June 23, 1864 – 1945) was a Cuban politician and diplomat who served as the 11th President of Cuba from December 11, 1935 to May 20, 1936.
He was the seventh provisional chief since the fall of Gerardo Machado.
Barnet was born in Spain but his parents were born in Cuba. He graduated from the University of Havana School of Law. In 1887, he went to Paris, where he remained until the installation of the Republic of Cuba in 1902. He was named the Cuban Consul in Paris, France and in 1908 was transferred as the Cuban Consul in Liverpool, England. He was also the Cuban Consul in Roterdam and Hamburg. He also served in Japan, Brazil, Germany and Switzerland.