Club Social y Deportivo Defensa y Justicia (usually known simply as Defensa y Justicia) is an Argentine football club from Florencio Varela, Buenos Aires. The team currently plays in the Primera División, the top division of the Argentine football league system. Home games are played at the Estadio Norberto "Tito" Tomaghello which has a capacity of approximately 8,000 seats.
The institution was founded on 20 March 1935 by a group of friends who wanted to form a local team. There are no sources explaining how the name was given to the club. Presided by Norberto Tomaghello, Defensa y Justicia affiliated to Argentine Football Association, built its stadium, which was opened in occasion of a friendly match against Boca Juniors reserve team in December 1977.
The club's original colors were blue with white collar and cuffs, which were changed to yellow with green details. These were the colors of the bus line "El Halcón", a company that belonged to the club president at the time. This company used its buses to bring the fans to away games, and thus received the nickname "Los Halcones de Varela".