Visitors of most nationalities can enter Argentina for up to 90 days without a visa. To find out whether you need a visa to enter Argentina, check here: Do I need a visa to enter Argentina? ("requiere visa" = a visa is required. "No requiere visa" = NO visa is required). Note that Argentina no longer charges reciprocity fees to US, Canadian or Australian citizens.
Citizens from Mercosur nations need only their national ID to enter the country.
For information on student visas, please visit our site Study Buenos Aires.
It is recommended that you check visa requirements with your local Argentine Embassy or consulate before you travel.
The Argentine foreign office website has a list of Argentine embassies and consulates abroad.
See here for a list of foreign embassies and consultates in Argentina.