El Diario de Nuevo Laredo (The Nuevo Laredo Daily) is a Spanish languagenewspaper published in Nuevo Laredo, Tamaulipas, Mexico. The newspaper was founded in 1948 by Ruperto Villareal Montemayor. It is Nuevo Laredo's oldest Daily newspaper (the oldest nonstop publisher). According to El Diario, the newspaper is the most circulated in Nuevo Laredo.
In 2008, El Diario change its format to a free 24-page Berliner . This broader audience gave Nuevo Laredo Companies the result they expected .