San Antonio, Misiones

San Antonio is a city in the north-eastern region of Misiones Province, Argentina, and the capital of the General Manuel Belgrano Department. It lies on the Brazilian border at -26.05°N, -53.71667°W. Its population was 3,665 at the 2010 census (INDEC).

The municipality contains part of the 84000 ha Urugua-í Provincial Park, created in 1990.