Affonso Giaffone Neto (born April 6, 1968, in Santos, São Paulo, Brazil) is a Brazilian former racing driver. He is one of several racing drivers in his family; he is a cousin of Felipe Giaffone, and a cousin-in-law of Rubens Barrichello. His father Affonso Giaffone Jr. was also a racing driver.

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This biography of a living person needs additional citations for verification. (November 2010) This biography of a living person relies on a single source. (August 2021)

Giaffone raced in the 1996–1997 Indy Racing League season with eight career starts, including the 1997 Indianapolis 500.^[1] His best career finish was in fourth position at Charlotte Motor Speedway in 1997. Before the IRL he finished third in the 1995 Indy Lights championship behind Greg Moore and Robbie Buhl. He was the 1991 Formula Three Sudamericana Champion with five victories.