Feria de San Telmo (Spanish: San Telmo Fair) is an antique fair that takes place in the barrio (neighbourhood) of San Telmo, in Buenos Aires, Argentina. It was created in 1970 by architect José María Peña.
The fair is composed of 270 stands. It is located in Plaza Dorrego and runs every Sunday from 10 am to 4 pm. It is visited by 10,000 people every Sunday; the majority are tourists from all over the world. On the streets, you can see Tango Shows and Orchest Playing for all visitors, also you can buy typical food from the restaurants or informal sellers. There is also a hot sauce stand run by two Americans that has been growing in popularity recently. However the main attraction in this Feria is the antiques and cultural stuff offered.