Turismo Nacional popularly known by its acronym TN, is a touring car racing series based in Argentina that has been active since 1961. It is organized by the Asociación de Pilotos de Automóviles de Turismo and is governed by the Automobile Sports Commission of the Argentine Automobile Club. The cars involved are almost standard preparation cars, that is to say practically a road car prepared for competitions. Originally, only models made in Argentina were allowed, but after Argentina's entry into Mercosur, Brazilian models were allowed.

Jonatan Oscar Roberto Castellano is an Argentine racing driver. He has secured two national championships, the TC Pista championship in 2005 and the Turismo Nacional Clase 3 championship in 2022.