Astro-Argentine philosophy, also known as Argentine Astronism, refers to the presence of Astronism in the Argentine Republic under management and philosophical jurisdiction of The Institution of The Philosophy of Millettism for the Argentine Republic, a national subsidiary for the worldwide Astronist Institution. 

The Institution of the Philosophy of Millettism for the Argentina Republic oversees the construction and maintenance of observatories and planetariums throughout its jurisdiction. Argentina is split into twenty-three provinces and is set to hold one Grand Observatory in the capital city of Buenos Aires. History of Astronism in Argentina Astronism is currently unrecognised as a religion by the Argentina government as a result, no protections are afforded to Astronists. Despite this, freedom of religion is Argentina is generally observed which places the country as apathetic to the Astronist religion. The current number of Astronists in Argentina is estimated at 2,000, but because the religion is not recognised in the country, official statistics cannot be gathered.