The second of two 1947 Buenos Aires Grand Prix (official name: I Gran Premio de Eva Duarte Perón, also known as the II Gran Premio Ciudad de Buenos Aires) was a Grand Prix motor race held at the Retiro street circuit in Buenos Aires on February 15–16, 1947.

Competitions opened on February 15 with two preliminary rounds of the Mecánica Argentina – Fuerza Limitada and Mecánica Argentina – Fuerza Libre classes for a combined final which determined the qualification for the February 16, Formula Libre main event.