Juan Carlos Sconfianza (born 13 July 1943) is a retired Argentine football player.
Sconfianza began his playing career with Argentine first division club San Lorenzo de Almagro.
He made his professional debut against Independiente on 4 August 1963, and would make 109 league appearances for the club during a seven-year stay.
While playing for San Lorenzo in a friendly tournament in Spain, representatives of Real Madrid observed Sconfianza, but never made an official approach for his services.
Sconfianza was part of the Argentina squad at the 1964 Summer Olympics in Tokyo, but did not appear in any matches.