Ignacego Domeyki, Spanish: Biblioteca Polaca Ignacio Domeyko) is the biggest Polish library in South America.
Founded in 1960 in Buenos Aires, Argentina and named after the Polish geologist and mineralogist Ignacy Domeyko.
The building and collections were damaged in a fire that broke out in early January 2005 It was rebuilt with the help of the Polish Community Association.
In 2012, the library, in cooperation with the KARTA Center Foundation, established the Digital Archive of Local Tradition in Buenos Aires.
Over the next 4 years, it collected 3900 photographs and 55 accounts of Poles and people of Polish origin living in Argentina.