Ernesto Bosch (January 8, 1863 – August 22, 1951) was a prominent Argentine landowner, lawyer, and diplomat who served as the first President of the Central Bank of Argentina.

The alliance he and Sáenz Peña sought became reality shortly afterwards, however, when the Veracruz Incident in April prompted the first ABC Powers Conference in a bid by the three countries to mediate the United States dispute with Mexico.

[3] His return to Argentina, and his years in Paris also inspired the Bosches to have a home built in Buenos Aires to evoke their days in the French capital.

[4] The September 1930 coup against President Hipólito Yrigoyen resulted in Bosch's reappointment as Foreign Minister by General José Félix Uriburu.

[6] The Roca-Runciman Treaty of 1933 and the resulting abandonment of the Caja de conversión governing monetary policy since 1890 led to the formation of the Central Bank of Argentina on May 28, 1935, upon which Bosch was named its first president; completing a seven-year term, he was reconfirmed in 1942.